22487560 has 32 divisors (see below), whose sum is σ = 52799040. Its totient is φ = 8603584.

The previous prime is 22487551. The next prime is 22487561. The reversal of 22487560 is 6578422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22487561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11302 + ... + 13141.

It is an arithmetic number, because the mean of its divisors is an integer number (1649970).

Almost surely, 2^22487560 is an apocalyptic number.

22487560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22487560 is an abundant number, since it is smaller than the sum of its proper divisors (30311480).

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

22487560 is a wasteful number, since it uses less digits than its factorization.

22487560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24477 (or 24473 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 22487560 is about 4742.1050178165. The cubic root of 22487560 is about 282.2587702362.

The spelling of 22487560 in words is "twenty-two million, four hundred eighty-seven thousand, five hundred sixty".