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10222111211228 = 2271728977412849
BaseRepresentation
bin1001010011000000010101…
…0011101011111011011100
31100012020001111122211220222
42110300011103223323130
52314434340432224403
633423550103100512
72103344305445060
oct224600523537334
940166044584828
1010222111211228
11329119a31a504
121191144441738
13591c30367127
14274a77a5daa0
1512ad79662338
hex94c054ebedc

10222111211228 has 48 divisors (see below), whose sum is σ = 21654298814400. Its totient is φ = 4121780699136.

The previous prime is 10222111211227. The next prime is 10222111211231. The reversal of 10222111211228 is 82211211122201.

It is a happy number.

10222111211228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102221112112282 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10222111211197 and 10222111211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222111211227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2327453 + ... + 5085396.

It is an arithmetic number, because the mean of its divisors is an integer number (451131225300).

Almost surely, 210222111211228 is an apocalyptic number.

It is an amenable number.

10222111211228 is an abundant number, since it is smaller than the sum of its proper divisors (11432187603172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10222111211228 is a wasteful number, since it uses less digits than its factorization.

10222111211228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415774 (or 7415772 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 10222111211228 its reverse (82211211122201), we get a palindrome (92433322333429).

The spelling of 10222111211228 in words is "ten trillion, two hundred twenty-two billion, one hundred eleven million, two hundred eleven thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 2897 5794 11588 20279 40558 49249 81116 98498 196996 344743 689486 1378972 7412849 14825698 29651396 51889943 103779886 126018433 207559772 252036866 504073732 882129031 1764258062 3528516124 21475023553 42950047106 85900094212 150325164871 300650329742 365075400401 601300659484 730150800802 1460301601604 2555527802807 5111055605614 10222111211228