22977297 has 32 divisors (see below), whose sum is σ = 39560960. Its totient is φ = 12908160.

The previous prime is 22977281. The next prime is 22977323. The reversal of 22977297 is 79277922.

It is not a de Polignac number, because 22977297 - 2⁴ = 22977281 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22977257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10533 + ... + 12525.

It is an arithmetic number, because the mean of its divisors is an integer number (1236280).

Almost surely, 2^22977297 is an apocalyptic number.

22977297 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22977297 is a deficient number, since it is larger than the sum of its proper divisors (16583663).

22977297 is a wasteful number, since it uses less digits than its factorization.

22977297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2064 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 22977297 is about 4793.4639875564. The cubic root of 22977297 is about 284.2930957138.

The spelling of 22977297 in words is "twenty-two million, nine hundred seventy-seven thousand, two hundred ninety-seven".