22530798 has 20 divisors (see below), whose sum is σ = 50486040. Its totient is φ = 7510212.

The previous prime is 22530757. The next prime is 22530803. The reversal of 22530798 is 89703522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69378 + ... + 69701.

It is an arithmetic number, because the mean of its divisors is an integer number (2524302).

Almost surely, 2^22530798 is an apocalyptic number.

22530798 is an abundant number, since it is smaller than the sum of its proper divisors (27955242).

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

22530798 is a wasteful number, since it uses less digits than its factorization.

22530798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139093 (or 139084 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 22530798 is about 4746.6617743420. The cubic root of 22530798 is about 282.4395589493.

The spelling of 22530798 in words is "twenty-two million, five hundred thirty thousand, seven hundred ninety-eight".