22554873 has 12 divisors (see below), whose sum is σ = 35541168. Its totient is φ = 13669560.

The previous prime is 22554871. The next prime is 22554901. The reversal of 22554873 is 37845522.

22554873 is a `hidden beast` number, since 22 + 554 + 87 + 3 = 666.

It is not a de Polignac number, because 22554873 - 2¹ = 22554871 is a prime.

It is a super-2 number, since 2×22554873² = 1017444592092258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22554871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113815 + ... + 114012.

It is an arithmetic number, because the mean of its divisors is an integer number (2961764).

Almost surely, 2^22554873 is an apocalyptic number.

It is an amenable number.

22554873 is a deficient number, since it is larger than the sum of its proper divisors (12986295).

22554873 is a wasteful number, since it uses less digits than its factorization.

22554873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227844 (or 227841 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 22554873 is about 4749.1970900353. The cubic root of 22554873 is about 282.5401222153.

The spelling of 22554873 in words is "twenty-two million, five hundred fifty-four thousand, eight hundred seventy-three".