22053664 has 24 divisors (see below), whose sum is σ = 43547868. Its totient is φ = 10993920.

The previous prime is 22053649. The next prime is 22053673. The reversal of 22053664 is 46635022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13690000 + 8363664 = 3700^2 + 2892^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12654 + ... + 14290.

Almost surely, 2^22053664 is an apocalyptic number.

It is an amenable number.

22053664 is a deficient number, since it is larger than the sum of its proper divisors (21494204).

22053664 is a wasteful number, since it uses less digits than its factorization.

22053664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 22053664 is about 4696.1328771661. The cubic root of 22053664 is about 280.4315793393.

Adding to 22053664 its reverse (46635022), we get a palindrome (68688686).

The spelling of 22053664 in words is "twenty-two million, fifty-three thousand, six hundred sixty-four".