22456648 has 48 divisors (see below), whose sum is σ = 45757440. Its totient is φ = 10311840.

The previous prime is 22456633. The next prime is 22456649. The reversal of 22456648 is 84665422.

It is not an unprimeable number, because it can be changed into a prime (22456649) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 176761 + ... + 176887.

It is an arithmetic number, because the mean of its divisors is an integer number (953280).

Almost surely, 2^22456648 is an apocalyptic number.

It is an amenable number.

22456648 is an abundant number, since it is smaller than the sum of its proper divisors (23300792).

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

22456648 is a wasteful number, since it uses less digits than its factorization.

22456648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 183 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 22456648 is about 4738.8445849173. The cubic root of 22456648 is about 282.1293774502.

It can be divided in two parts, 22456 and 648, that added together give a square (23104 = 152²).

The spelling of 22456648 in words is "twenty-two million, four hundred fifty-six thousand, six hundred forty-eight".