22732768 has 12 divisors (see below), whose sum is σ = 44755200. Its totient is φ = 11366368.

The previous prime is 22732753. The next prime is 22732769. The reversal of 22732768 is 86723722.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22732769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355168 + ... + 355231.

It is an arithmetic number, because the mean of its divisors is an integer number (3729600).

Almost surely, 2^22732768 is an apocalyptic number.

It is an amenable number.

22732768 is a deficient number, since it is larger than the sum of its proper divisors (22022432).

22732768 is an equidigital number, since it uses as much as digits as its factorization.

22732768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710409 (or 710401 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 22732768 is about 4767.8892604590. The cubic root of 22732768 is about 283.2809954845.

It can be divided in two parts, 2273 and 2768, that added together give a square (5041 = 71²).

The spelling of 22732768 in words is "twenty-two million, seven hundred thirty-two thousand, seven hundred sixty-eight".