22745957 has 8 divisors (see below), whose sum is σ = 24958584. Its totient is φ = 20599488.

The previous prime is 22745951. The next prime is 22745969. The reversal of 22745957 is 75954722.

It can be written as a sum of positive squares in 4 ways, for example, as 410881 + 22335076 = 641^2 + 4726^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22745957 - 2⁴ = 22745941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22745951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15818 + ... + 17195.

It is an arithmetic number, because the mean of its divisors is an integer number (3119823).

Almost surely, 2^22745957 is an apocalyptic number.

It is an amenable number.

22745957 is a deficient number, since it is larger than the sum of its proper divisors (2212627).

22745957 is a wasteful number, since it uses less digits than its factorization.

22745957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33079.

The product of its digits is 176400, while the sum is 41.

The square root of 22745957 is about 4769.2721666938. The cubic root of 22745957 is about 283.3357691448.

The spelling of 22745957 in words is "twenty-two million, seven hundred forty-five thousand, nine hundred fifty-seven".