22972141 has 4 divisors (see below), whose sum is σ = 23153152. Its totient is φ = 22791132.

The previous prime is 22972133. The next prime is 22972163. The reversal of 22972141 is 14127922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22972141 - 2³ = 22972133 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 (22972111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90315 + ... + 90568.

It is an arithmetic number, because the mean of its divisors is an integer number (5788288).

Almost surely, 2^22972141 is an apocalyptic number.

It is an amenable number.

22972141 is a deficient number, since it is larger than the sum of its proper divisors (181011).

22972141 is a wasteful number, since it uses less digits than its factorization.

22972141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181010.

The product of its digits is 2016, while the sum is 28.

The square root of 22972141 is about 4792.9261417218. The cubic root of 22972141 is about 284.2718294344.

The spelling of 22972141 in words is "twenty-two million, nine hundred seventy-two thousand, one hundred forty-one".