22855623 has 16 divisors (see below), whose sum is σ = 34910976. Its totient is φ = 13029120.

The previous prime is 22855621. The next prime is 22855709. The reversal of 22855623 is 32655822.

It is not a de Polignac number, because 22855623 - 2¹ = 22855621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22855621) 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, 9943 + ... + 12023.

It is an arithmetic number, because the mean of its divisors is an integer number (2181936).

Almost surely, 2^22855623 is an apocalyptic number.

22855623 is a deficient number, since it is larger than the sum of its proper divisors (12055353).

22855623 is a wasteful number, since it uses less digits than its factorization.

22855623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614.

The product of its digits is 28800, while the sum is 33.

The square root of 22855623 is about 4780.7554842305. The cubic root of 22855623 is about 283.7903920194.

The spelling of 22855623 in words is "twenty-two million, eight hundred fifty-five thousand, six hundred twenty-three".