22560984 has 64 divisors (see below), whose sum is σ = 63180000. Its totient is φ = 7459200.

The previous prime is 22560983. The next prime is 22561001. The reversal of 22560984 is 48906522.

It is a happy number.

22560984 is a `hidden beast` number, since 2 + 2 + 560 + 98 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22560983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31834 + ... + 32534.

Almost surely, 2^22560984 is an apocalyptic number.

22560984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22560984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31590000).

22560984 is an abundant number, since it is smaller than the sum of its proper divisors (40619016).

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

22560984 is a wasteful number, since it uses less digits than its factorization.

22560984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 22560984 is about 4749.8404183720. The cubic root of 22560984 is about 282.5656369792.

The spelling of 22560984 in words is "twenty-two million, five hundred sixty thousand, nine hundred eighty-four".