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10222220220 = 2235170370337
BaseRepresentation
bin10011000010100101…
…01011001110111100
3222101101220120221220
421201102223032330
5131413342021340
64410201353340
7511213303212
oct114122531674
928341816856
1010222220220
1143761a4393
121b93498850
13c6ba54624
146cd88acb2
153ec655ed0
hex2614ab3bc

10222220220 has 24 divisors (see below), whose sum is σ = 28622216784. Its totient is φ = 2725925376.

The previous prime is 10222220219. The next prime is 10222220249. The reversal of 10222220220 is 2202222201.

10222220220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10222220220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85185109 + ... + 85185228.

It is an arithmetic number, because the mean of its divisors is an integer number (1192592366).

Almost surely, 210222220220 is an apocalyptic number.

10222220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222220220 is an abundant number, since it is smaller than the sum of its proper divisors (18399996564).

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

10222220220 is a wasteful number, since it uses less digits than its factorization.

10222220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170370349 (or 170370347 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 10222220220 its reverse (2202222201), we get a palindrome (12424442421).

The spelling of 10222220220 in words is "ten billion, two hundred twenty-two million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 170370337 340740674 511111011 681481348 851851685 1022222022 1703703370 2044444044 2555555055 3407406740 5111110110 10222220220