22465604 has 48 divisors (see below), whose sum is σ = 47241600. Its totient is φ = 9144576.

The previous prime is 22465603. The next prime is 22465609. The reversal of 22465604 is 40656422.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (22465603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59087 + ... + 59465.

It is an arithmetic number, because the mean of its divisors is an integer number (984200).

Almost surely, 2^22465604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22465604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23620800).

22465604 is an abundant number, since it is smaller than the sum of its proper divisors (24775996).

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

22465604 is a wasteful number, since it uses less digits than its factorization.

22465604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 22465604 is about 4739.7894468004. The cubic root of 22465604 is about 282.1668780733.

The spelling of 22465604 in words is "twenty-two million, four hundred sixty-five thousand, six hundred four".