22856805 has 48 divisors (see below), whose sum is σ = 41243904. Its totient is φ = 11702400.

The previous prime is 22856783. The next prime is 22856807. The reversal of 22856805 is 50865822.

It is not a de Polignac number, because 22856805 - 2⁵ = 22856773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22856805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22856807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213562 + ... + 213668.

It is an arithmetic number, because the mean of its divisors is an integer number (859248).

Almost surely, 2^22856805 is an apocalyptic number.

It is an amenable number.

22856805 is a deficient number, since it is larger than the sum of its proper divisors (18387099).

22856805 is a wasteful number, since it uses less digits than its factorization.

22856805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 22856805 is about 4780.8791032612. The cubic root of 22856805 is about 283.7952840973.

The spelling of 22856805 in words is "twenty-two million, eight hundred fifty-six thousand, eight hundred five".