22464855 has 24 divisors (see below), whose sum is σ = 44502432. Its totient is φ = 10269504.

The previous prime is 22464851. The next prime is 22464857. The reversal of 22464855 is 55846422.

It is a happy number.

22464855 is a `hidden beast` number, since 2 + 2 + 4 + 648 + 5 + 5 = 666.

It is not a de Polignac number, because 22464855 - 2² = 22464851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22464851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35344 + ... + 35973.

It is an arithmetic number, because the mean of its divisors is an integer number (1854268).

Almost surely, 2^22464855 is an apocalyptic number.

22464855 is a deficient number, since it is larger than the sum of its proper divisors (22037577).

22464855 is a wasteful number, since it uses less digits than its factorization.

22464855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71335 (or 71332 counting only the distinct ones).

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

The square root of 22464855 is about 4739.7104341932. The cubic root of 22464855 is about 282.1637422374.

The spelling of 22464855 in words is "twenty-two million, four hundred sixty-four thousand, eight hundred fifty-five".