15422056 has 32 divisors (see below), whose sum is σ = 31316040. Its totient is φ = 7077888.

The previous prime is 15422023. The next prime is 15422089. The reversal of 15422056 is 65022451.

15422056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15422023) and next prime (15422089).

It can be written as a sum of positive squares in 4 ways, for example, as 15288100 + 133956 = 3910^2 + 366^2 .

It is a super-2 number, since 2×15422056² = 475679622534272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15422056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26440 + ... + 27016.

Almost surely, 2^15422056 is an apocalyptic number.

It is an amenable number.

15422056 is an abundant number, since it is smaller than the sum of its proper divisors (15893984).

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

15422056 is a wasteful number, since it uses less digits than its factorization.

15422056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 15422056 is about 3927.0925632075. The cubic root of 15422056 is about 248.9129118087.

The spelling of 15422056 in words is "fifteen million, four hundred twenty-two thousand, fifty-six".