22013580 has 48 divisors (see below), whose sum is σ = 61989984. Its totient is φ = 5836800.

The previous prime is 22013567. The next prime is 22013591. The reversal of 22013580 is 8531022.

It is a congruent number.

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, 10630 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (1291458).

Almost surely, 2^22013580 is an apocalyptic number.

22013580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013580 is an abundant number, since it is smaller than the sum of its proper divisors (39976404).

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

22013580 is a wasteful number, since it uses less digits than its factorization.

22013580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22013580 is about 4691.8631693603. The cubic root of 22013580 is about 280.2615752888.

The spelling of 22013580 in words is "twenty-two million, thirteen thousand, five hundred eighty".