22558961 has 8 divisors (see below), whose sum is σ = 23178144. Its totient is φ = 21944160.

The previous prime is 22558951. The next prime is 22559029. The reversal of 22558961 is 16985522.

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

It is a cyclic number.

It is not a de Polignac number, because 22558961 - 2¹⁴ = 22542577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22558931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11150 + ... + 13016.

It is an arithmetic number, because the mean of its divisors is an integer number (2897268).

Almost surely, 2^22558961 is an apocalyptic number.

It is an amenable number.

22558961 is a deficient number, since it is larger than the sum of its proper divisors (619183).

22558961 is a wasteful number, since it uses less digits than its factorization.

22558961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191.

The product of its digits is 43200, while the sum is 38.

The square root of 22558961 is about 4749.6274590751. The cubic root of 22558961 is about 282.5571910212.

The spelling of 22558961 in words is "twenty-two million, five hundred fifty-eight thousand, nine hundred sixty-one".