22797974 has 4 divisors (see below), whose sum is σ = 34196964. Its totient is φ = 11398986.

The previous prime is 22797953. The next prime is 22797979. The reversal of 22797974 is 47979722.

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

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22797979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5699492 + ... + 5699495.

It is an arithmetic number, because the mean of its divisors is an integer number (8549241).

Almost surely, 2^22797974 is an apocalyptic number.

22797974 is a deficient number, since it is larger than the sum of its proper divisors (11398990).

22797974 is a wasteful number, since it uses less digits than its factorization.

22797974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398989.

The product of its digits is 444528, while the sum is 47.

The square root of 22797974 is about 4774.7224003077. The cubic root of 22797974 is about 283.5515885411.

The spelling of 22797974 in words is "twenty-two million, seven hundred ninety-seven thousand, nine hundred seventy-four".