22972286 has 8 divisors (see below), whose sum is σ = 34541544. Its totient is φ = 11458440.

The previous prime is 22972283. The next prime is 22972343. The reversal of 22972286 is 68227922.

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 (22972283) 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, 12800 + ... + 14483.

It is an arithmetic number, because the mean of its divisors is an integer number (4317693).

Almost surely, 2^22972286 is an apocalyptic number.

22972286 is a deficient number, since it is larger than the sum of its proper divisors (11569258).

22972286 is a wasteful number, since it uses less digits than its factorization.

22972286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27706.

The product of its digits is 48384, while the sum is 38.

The square root of 22972286 is about 4792.9412681567. The cubic root of 22972286 is about 284.2724275404.

The spelling of 22972286 in words is "twenty-two million, nine hundred seventy-two thousand, two hundred eighty-six".