22056648 has 32 divisors (see below), whose sum is σ = 55289760. Its totient is φ = 7332480.

The previous prime is 22056637. The next prime is 22056649. The reversal of 22056648 is 84665022.

It is not an unprimeable number, because it can be changed into a prime (22056649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9963 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (1727805).

Almost surely, 2^22056648 is an apocalyptic number.

It is an amenable number.

22056648 is an abundant number, since it is smaller than the sum of its proper divisors (33233112).

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

22056648 is a wasteful number, since it uses less digits than its factorization.

22056648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2473 counting only the distinct ones).

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

The square root of 22056648 is about 4696.4505746361. The cubic root of 22056648 is about 280.4442268234. Note that the first 3 decimals are identical.

The spelling of 22056648 in words is "twenty-two million, fifty-six thousand, six hundred forty-eight".