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10222130228 = 223537239469
BaseRepresentation
bin10011000010100100…
…10101010000110100
3222101101202000111212
421201102111100310
5131413331131403
64410155420552
7511212446642
oct114122252064
928341660455
1010222130228
114376142812
121b93454758
13c6ba2268b
146cd866192
153ec6394d8
hex261495434

10222130228 has 12 divisors (see below), whose sum is σ = 17939406660. Its totient is φ = 5096585472.

The previous prime is 10222130183. The next prime is 10222130239. The reversal of 10222130228 is 82203122201.

It can be written as a sum of positive squares in 2 ways, for example, as 1398909604 + 8823220624 = 37402^2 + 93932^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618323 + ... + 3621146.

It is an arithmetic number, because the mean of its divisors is an integer number (1494950555).

Almost surely, 210222130228 is an apocalyptic number.

It is an amenable number.

10222130228 is a deficient number, since it is larger than the sum of its proper divisors (7717276432).

10222130228 is a wasteful number, since it uses less digits than its factorization.

10222130228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239826 (or 7239824 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10222130228 its reverse (82203122201), we get a palindrome (92425252429).

The spelling of 10222130228 in words is "ten billion, two hundred twenty-two million, one hundred thirty thousand, two hundred twenty-eight".

Divisors: 1 2 4 353 706 1412 7239469 14478938 28957876 2555532557 5111065114 10222130228