22572641 has 8 divisors (see below), whose sum is σ = 27781824. Its totient is φ = 17859600.

The previous prime is 22572631. The next prime is 22572659. The reversal of 22572641 is 14627522.

It is a happy number.

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 22572641 - 2¹⁴ = 22556257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22572631) 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, 123935 + ... + 124116.

It is an arithmetic number, because the mean of its divisors is an integer number (3472728).

Almost surely, 2^22572641 is an apocalyptic number.

It is an amenable number.

22572641 is a deficient number, since it is larger than the sum of its proper divisors (5209183).

22572641 is a wasteful number, since it uses less digits than its factorization.

22572641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248071.

The product of its digits is 6720, while the sum is 29.

The square root of 22572641 is about 4751.0673537638. The cubic root of 22572641 is about 282.6142947341.

The spelling of 22572641 in words is "twenty-two million, five hundred seventy-two thousand, six hundred forty-one".