22759961 has 12 divisors (see below), whose sum is σ = 27124020. Its totient is φ = 19031040.

The previous prime is 22759939. The next prime is 22759981. The reversal of 22759961 is 16995722.

It can be written as a sum of positive squares in 2 ways, for example, as 3924361 + 18835600 = 1981^2 + 4340^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22759961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (22759901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3656 + ... + 7673.

It is an arithmetic number, because the mean of its divisors is an integer number (2260335).

Almost surely, 2^22759961 is an apocalyptic number.

It is an amenable number.

22759961 is a deficient number, since it is larger than the sum of its proper divisors (4364059).

22759961 is a wasteful number, since it uses less digits than its factorization.

22759961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11384 (or 11377 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 22759961 is about 4770.7400893362. The cubic root of 22759961 is about 283.3939043128.

The spelling of 22759961 in words is "twenty-two million, seven hundred fifty-nine thousand, nine hundred sixty-one".