22648064 has 18 divisors (see below), whose sum is σ = 45208170. Its totient is φ = 11323904.

The previous prime is 22648051. The next prime is 22648147. The reversal of 22648064 is 46084622.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 369664 = 4720^2 + 608^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22648064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43979 + ... + 44490.

It is an arithmetic number, because the mean of its divisors is an integer number (2511565).

Almost surely, 2^22648064 is an apocalyptic number.

It is an amenable number.

22648064 is a deficient number, since it is larger than the sum of its proper divisors (22560106).

22648064 is an frugal number, since it uses more digits than its factorization.

22648064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88485 (or 88471 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 22648064 is about 4758.9982139102. The cubic root of 22648064 is about 282.9287154964.

The spelling of 22648064 in words is "twenty-two million, six hundred forty-eight thousand, sixty-four".