22977952 has 24 divisors (see below), whose sum is σ = 45360000. Its totient is φ = 11457984.

The previous prime is 22977949. The next prime is 22977959. The reversal of 22977952 is 25977922.

It is a super-2 number, since 2×22977952² = 1055972556228608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22977899 and 22977908.

It is not an unprimeable number, because it can be changed into a prime (22977959) 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 3 ways as a sum of consecutive naturals, for example, 15249 + ... + 16687.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^22977952 is an apocalyptic number.

It is an amenable number.

22977952 is a deficient number, since it is larger than the sum of its proper divisors (22382048).

22977952 is a wasteful number, since it uses less digits than its factorization.

22977952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1940 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 22977952 is about 4793.5323092684. The cubic root of 22977952 is about 284.2957970790.

The spelling of 22977952 in words is "twenty-two million, nine hundred seventy-seven thousand, nine hundred fifty-two".