22845456 has 40 divisors (see below), whose sum is σ = 65576160. Its totient is φ = 7615008.

The previous prime is 22845451. The next prime is 22845461. The reversal of 22845456 is 65454822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22845451) and next prime (22845461).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22845456.

It is not an unprimeable number, because it can be changed into a prime (22845451) 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, 26010 + ... + 26873.

It is an arithmetic number, because the mean of its divisors is an integer number (1639404).

Almost surely, 2^22845456 is an apocalyptic number.

It is an amenable number.

22845456 is an abundant number, since it is smaller than the sum of its proper divisors (42730704).

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

22845456 is a wasteful number, since it uses less digits than its factorization.

22845456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52900 (or 52888 counting only the distinct ones).

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

The square root of 22845456 is about 4779.6920402888. The cubic root of 22845456 is about 283.7483057336.

Subtracting from 22845456 its sum of digits (36), we obtain a triangular number (22845420 = T₆₇₅₉).

The spelling of 22845456 in words is "twenty-two million, eight hundred forty-five thousand, four hundred fifty-six".