22645854 has 48 divisors (see below), whose sum is σ = 61176960. Its totient is φ = 5881680.

The previous prime is 22645829. The next prime is 22645859. The reversal of 22645854 is 45854622.

It is a happy number.

22645854 is a `hidden beast` number, since 2 + 2 + 645 + 8 + 5 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22645859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6784 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (1274520).

Almost surely, 2^22645854 is an apocalyptic number.

22645854 is an abundant number, since it is smaller than the sum of its proper divisors (38531106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22645854 is a wasteful number, since it uses less digits than its factorization.

22645854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16365 (or 16362 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 22645854 is about 4758.7660165215. The cubic root of 22645854 is about 282.9195124611.

It can be divided in two parts, 2264 and 5854, that added together give a palindrome (8118).

The spelling of 22645854 in words is "twenty-two million, six hundred forty-five thousand, eight hundred fifty-four".