22288560 has 80 divisors (see below), whose sum is σ = 78971136. Its totient is φ = 5094144.

The previous prime is 22288531. The next prime is 22288573. The reversal of 22288560 is 6588222.

It is a tau number, because it is divible by the number of its divisors (80).

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, 4954 + ... + 8313.

Almost surely, 2^22288560 is an apocalyptic number.

22288560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22288560 is an abundant number, since it is smaller than the sum of its proper divisors (56682576).

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

22288560 is a wasteful number, since it uses less digits than its factorization.

22288560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13290 (or 13284 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 22288560 is about 4721.0761485068. The cubic root of 22288560 is about 281.4237010945.

The spelling of 22288560 in words is "twenty-two million, two hundred eighty-eight thousand, five hundred sixty".