22745004 has 24 divisors (see below), whose sum is σ = 53261040. Its totient is φ = 7554624.

The previous prime is 22744991. The next prime is 22745027. The reversal of 22745004 is 40054722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282 + ... + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (2219210).

Almost surely, 2^22745004 is an apocalyptic number.

It is an amenable number.

22745004 is an abundant number, since it is smaller than the sum of its proper divisors (30516036).

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

22745004 is a wasteful number, since it uses less digits than its factorization.

22745004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769 (or 6767 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22745004 is about 4769.1722552242. The cubic root of 22745004 is about 283.3318120641.

Adding to 22745004 its reverse (40054722), we get a palindrome (62799726).

The spelling of 22745004 in words is "twenty-two million, seven hundred forty-five thousand, four".