22942501 has 4 divisors (see below), whose sum is σ = 22963392. Its totient is φ = 22921612.

The previous prime is 22942459. The next prime is 22942541. The reversal of 22942501 is 10524922.

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 22942501 - 2⁷ = 22942373 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 (22942541) 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, 8701 + ... + 11026.

It is an arithmetic number, because the mean of its divisors is an integer number (5740848).

Almost surely, 2^22942501 is an apocalyptic number.

It is an amenable number.

22942501 is a deficient number, since it is larger than the sum of its proper divisors (20891).

22942501 is a wasteful number, since it uses less digits than its factorization.

22942501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20890.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22942501 is about 4789.8330868622. The cubic root of 22942501 is about 284.1495154331.

The spelling of 22942501 in words is "twenty-two million, nine hundred forty-two thousand, five hundred one".