22598004 has 72 divisors (see below), whose sum is σ = 62348832. Its totient is φ = 6314880.

The previous prime is 22597997. The next prime is 22598021. The reversal of 22598004 is 40089522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21802 + ... + 22814.

It is an arithmetic number, because the mean of its divisors is an integer number (865956).

Almost surely, 2^22598004 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 22598004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31174416).

22598004 is an abundant number, since it is smaller than the sum of its proper divisors (39750828).

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

22598004 is a wasteful number, since it uses less digits than its factorization.

22598004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22598004 is about 4753.7357940887. The cubic root of 22598004 is about 282.7201051760.

The spelling of 22598004 in words is "twenty-two million, five hundred ninety-eight thousand, four".