22855157 has 16 divisors (see below), whose sum is σ = 27437760. Its totient is φ = 18807552.

The previous prime is 22855141. The next prime is 22855181. The reversal of 22855157 is 75155822.

It is a cyclic number.

It is not a de Polignac number, because 22855157 - 2⁴ = 22855141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22855117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1478 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (1714860).

Almost surely, 2^22855157 is an apocalyptic number.

It is an amenable number.

22855157 is a deficient number, since it is larger than the sum of its proper divisors (4582603).

22855157 is a wasteful number, since it uses less digits than its factorization.

22855157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492.

The product of its digits is 28000, while the sum is 35.

The square root of 22855157 is about 4780.7067469151. The cubic root of 22855157 is about 283.7884632859.

The spelling of 22855157 in words is "twenty-two million, eight hundred fifty-five thousand, one hundred fifty-seven".