22560520 has 16 divisors (see below), whose sum is σ = 50761260. Its totient is φ = 9024192.

The previous prime is 22560511. The next prime is 22560533. The reversal of 22560520 is 2506522.

It can be written as a sum of positive squares in 2 ways, for example, as 22221796 + 338724 = 4714^2 + 582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22560491 and 22560500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281967 + ... + 282046.

Almost surely, 2^22560520 is an apocalyptic number.

22560520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22560520 is an abundant number, since it is smaller than the sum of its proper divisors (28200740).

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

22560520 is a wasteful number, since it uses less digits than its factorization.

22560520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564024 (or 564020 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22560520 is about 4749.7915743746. The cubic root of 22560520 is about 282.5636998392.

It can be divided in two parts, 225605 and 20, that added together give a square (225625 = 475²).

The spelling of 22560520 in words is "twenty-two million, five hundred sixty thousand, five hundred twenty".