22856961 has 8 divisors (see below), whose sum is σ = 30509440. Its totient is φ = 15221232.

The previous prime is 22856947. The next prime is 22856969. The reversal of 22856961 is 16965822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22856961 - 2⁵ = 22856929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22856969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550 + ... + 6783.

It is an arithmetic number, because the mean of its divisors is an integer number (3813680).

Almost surely, 2^22856961 is an apocalyptic number.

It is an amenable number.

22856961 is a deficient number, since it is larger than the sum of its proper divisors (7652479).

22856961 is a wasteful number, since it uses less digits than its factorization.

22856961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8375.

The product of its digits is 51840, while the sum is 39.

The square root of 22856961 is about 4780.8954182245. The cubic root of 22856961 is about 283.7959297396.

The spelling of 22856961 in words is "twenty-two million, eight hundred fifty-six thousand, nine hundred sixty-one".