22616560 has 20 divisors (see below), whose sum is σ = 52583688. Its totient is φ = 9046592.

The previous prime is 22616537. The next prime is 22616563. The reversal of 22616560 is 6561622.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22616563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141274 + ... + 141433.

Almost surely, 2^22616560 is an apocalyptic number.

22616560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22616560 is an abundant number, since it is smaller than the sum of its proper divisors (29967128).

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

22616560 is a wasteful number, since it uses less digits than its factorization.

22616560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282720 (or 282714 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 22616560 is about 4755.6871217522. The cubic root of 22616560 is about 282.7974677459.

The spelling of 22616560 in words is "twenty-two million, six hundred sixteen thousand, five hundred sixty".