22529748 has 12 divisors (see below), whose sum is σ = 52569440. Its totient is φ = 7509912.

The previous prime is 22529729. The next prime is 22529761. The reversal of 22529748 is 84792522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938728 + ... + 938751.

Almost surely, 2^22529748 is an apocalyptic number.

It is an amenable number.

22529748 is an abundant number, since it is smaller than the sum of its proper divisors (30039692).

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

22529748 is a wasteful number, since it uses less digits than its factorization.

22529748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877486 (or 1877484 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 22529748 is about 4746.5511690068. The cubic root of 22529748 is about 282.4351713825.

The spelling of 22529748 in words is "twenty-two million, five hundred twenty-nine thousand, seven hundred forty-eight".