22947422 has 8 divisors (see below), whose sum is σ = 35917776. Its totient is φ = 10974832.

The previous prime is 22947391. The next prime is 22947427. The reversal of 22947422 is 22474922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22947427) 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, 249383 + ... + 249474.

It is an arithmetic number, because the mean of its divisors is an integer number (4489722).

Almost surely, 2^22947422 is an apocalyptic number.

22947422 is a deficient number, since it is larger than the sum of its proper divisors (12970354).

22947422 is a wasteful number, since it uses less digits than its factorization.

22947422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498882.

The product of its digits is 16128, while the sum is 32.

The square root of 22947422 is about 4790.3467515411. The cubic root of 22947422 is about 284.1698299838.

The spelling of 22947422 in words is "twenty-two million, nine hundred forty-seven thousand, four hundred twenty-two".