22765732 has 12 divisors (see below), whose sum is σ = 43461936. Its totient is φ = 10348040.

The previous prime is 22765727. The next prime is 22765733. The reversal of 22765732 is 23756722.

It is not an unprimeable number, because it can be changed into a prime (22765733) 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 3 ways as a sum of consecutive naturals, for example, 258658 + ... + 258745.

It is an arithmetic number, because the mean of its divisors is an integer number (3621828).

Almost surely, 2^22765732 is an apocalyptic number.

22765732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22765732 is a deficient number, since it is larger than the sum of its proper divisors (20696204).

22765732 is a wasteful number, since it uses less digits than its factorization.

22765732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517418 (or 517416 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 22765732 is about 4771.3448837828. The cubic root of 22765732 is about 283.4178546762.

It can be divided in two parts, 2276 and 5732, that added together give a palindrome (8008).

The spelling of 22765732 in words is "twenty-two million, seven hundred sixty-five thousand, seven hundred thirty-two".