22722874 has 4 divisors (see below), whose sum is σ = 34084314. Its totient is φ = 11361436.

The previous prime is 22722851. The next prime is 22722883. The reversal of 22722874 is 47822722.

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

It can be written as a sum of positive squares in only one way, i.e., 18861649 + 3861225 = 4343^2 + 1965^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5680717 + ... + 5680720.

Almost surely, 2^22722874 is an apocalyptic number.

22722874 is a deficient number, since it is larger than the sum of its proper divisors (11361440).

22722874 is a wasteful number, since it uses less digits than its factorization.

22722874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11361439.

The product of its digits is 25088, while the sum is 34.

The square root of 22722874 is about 4766.8515814949. The cubic root of 22722874 is about 283.2398919860.

The spelling of 22722874 in words is "twenty-two million, seven hundred twenty-two thousand, eight hundred seventy-four".