15322227156 has 36 divisors (see below), whose sum is σ = 38737307700. Its totient is φ = 5106601728.

The previous prime is 15322227149. The next prime is 15322227157. The reversal of 15322227156 is 65172222351.

15322227156 is a `hidden beast` number, since 1 + 532 + 2 + 2 + 2 + 71 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1562937156 + 13759290000 = 39534^2 + 117300^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 15322227156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15322227157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224380 + ... + 284588.

It is an arithmetic number, because the mean of its divisors is an integer number (1076036325).

Almost surely, 2^15322227156 is an apocalyptic number.

It is an amenable number.

15322227156 is an abundant number, since it is smaller than the sum of its proper divisors (23415080544).

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

15322227156 is a wasteful number, since it uses less digits than its factorization.

15322227156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67288 (or 67283 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The spelling of 15322227156 in words is "fifteen billion, three hundred twenty-two million, two hundred twenty-seven thousand, one hundred fifty-six".