22648560 has 160 divisors (see below), whose sum is σ = 80137728. Its totient is φ = 5237760.

The previous prime is 22648559. The next prime is 22648579. The reversal of 22648560 is 6584622.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60534 + ... + 60906.

Almost surely, 2^22648560 is an apocalyptic number.

22648560 is a gapful number since it is divisible by the number (20) 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 22648560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40068864).

22648560 is an abundant number, since it is smaller than the sum of its proper divisors (57489168).

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

22648560 is a wasteful number, since it uses less digits than its factorization.

22648560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 22648560 is about 4759.0503254326. The cubic root of 22648560 is about 282.9307808918.

The spelling of 22648560 in words is "twenty-two million, six hundred forty-eight thousand, five hundred sixty".