22530570 has 32 divisors (see below), whose sum is σ = 56426112. Its totient is φ = 5746752.

The previous prime is 22530569. The next prime is 22530587. The reversal of 22530570 is 7503522.

It is a self number, because there is not a number n which added to its sum of digits gives 22530570.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15637 + ... + 17016.

It is an arithmetic number, because the mean of its divisors is an integer number (1763316).

Almost surely, 2^22530570 is an apocalyptic number.

22530570 is an abundant number, since it is smaller than the sum of its proper divisors (33895542).

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

22530570 is a wasteful number, since it uses less digits than its factorization.

22530570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32686.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 22530570 is about 4746.6377574026. The cubic root of 22530570 is about 282.4386062321.

The spelling of 22530570 in words is "twenty-two million, five hundred thirty thousand, five hundred seventy".