22997626 has 4 divisors (see below), whose sum is σ = 34496442. Its totient is φ = 11498812.

The previous prime is 22997621. The next prime is 22997641. The reversal of 22997626 is 62679922.

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., 19811401 + 3186225 = 4451^2 + 1785^2 .

It is not an unprimeable number, because it can be changed into a prime (22997621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5749405 + ... + 5749408.

Almost surely, 2^22997626 is an apocalyptic number.

22997626 is a deficient number, since it is larger than the sum of its proper divisors (11498816).

22997626 is a wasteful number, since it uses less digits than its factorization.

22997626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11498815.

The product of its digits is 163296, while the sum is 43.

The square root of 22997626 is about 4795.5840103162. The cubic root of 22997626 is about 284.3769130975.

The spelling of 22997626 in words is "twenty-two million, nine hundred ninety-seven thousand, six hundred twenty-six".