22556361 has 8 divisors (see below), whose sum is σ = 30124224. Its totient is φ = 15013040.

The previous prime is 22556341. The next prime is 22556371. The reversal of 22556361 is 16365522.

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 22556361 - 2¹⁵ = 22523593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22556321) 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, 3870 + ... + 7751.

It is an arithmetic number, because the mean of its divisors is an integer number (3765528).

Almost surely, 2^22556361 is an apocalyptic number.

It is an amenable number.

22556361 is a deficient number, since it is larger than the sum of its proper divisors (7567863).

22556361 is a wasteful number, since it uses less digits than its factorization.

22556361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271.

The product of its digits is 10800, while the sum is 30.

The square root of 22556361 is about 4749.3537455111. The cubic root of 22556361 is about 282.5463353657.

The spelling of 22556361 in words is "twenty-two million, five hundred fifty-six thousand, three hundred sixty-one".