22855907 has 4 divisors (see below), whose sum is σ = 23230656. Its totient is φ = 22481160.

The previous prime is 22855873. The next prime is 22855913. The reversal of 22855907 is 70955822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22855907 - 2²² = 18661603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22855927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187283 + ... + 187404.

It is an arithmetic number, because the mean of its divisors is an integer number (5807664).

Almost surely, 2^22855907 is an apocalyptic number.

22855907 is a deficient number, since it is larger than the sum of its proper divisors (374749).

22855907 is an equidigital number, since it uses as much as digits as its factorization.

22855907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374748.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 22855907 is about 4780.7851865567. The cubic root of 22855907 is about 283.7915674579.

It can be divided in two parts, 2285 and 5907, that added together give a 13-th power (8192 = 2¹³).

The spelling of 22855907 in words is "twenty-two million, eight hundred fifty-five thousand, nine hundred seven".