22753665 has 48 divisors (see below), whose sum is σ = 44066880. Its totient is φ = 10765440.

The previous prime is 22753663. The next prime is 22753673. The reversal of 22753665 is 56635722.

It is a happy number.

It is not a de Polignac number, because 22753665 - 2¹ = 22753663 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22753663) 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 47 ways as a sum of consecutive naturals, for example, 20751 + ... + 21819.

It is an arithmetic number, because the mean of its divisors is an integer number (918060).

Almost surely, 2^22753665 is an apocalyptic number.

It is an amenable number.

22753665 is a deficient number, since it is larger than the sum of its proper divisors (21313215).

22753665 is a wasteful number, since it uses less digits than its factorization.

22753665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1131 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 22753665 is about 4770.0801880052. The cubic root of 22753665 is about 283.3677705163.

The spelling of 22753665 in words is "twenty-two million, seven hundred fifty-three thousand, six hundred sixty-five".