22922443 has 4 divisors (see below), whose sum is σ = 24270840. Its totient is φ = 21574048.

The previous prime is 22922413. The next prime is 22922507. The reversal of 22922443 is 34422922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22922443 - 2⁹ = 22921931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22922413) 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, 674173 + ... + 674206.

It is an arithmetic number, because the mean of its divisors is an integer number (6067710).

Almost surely, 2^22922443 is an apocalyptic number.

22922443 is a deficient number, since it is larger than the sum of its proper divisors (1348397).

22922443 is a wasteful number, since it uses less digits than its factorization.

22922443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348396.

The product of its digits is 6912, while the sum is 28.

The square root of 22922443 is about 4787.7388191087. The cubic root of 22922443 is about 284.0666832439.

The spelling of 22922443 in words is "twenty-two million, nine hundred twenty-two thousand, four hundred forty-three".