22332977 has 4 divisors (see below), whose sum is σ = 23304000. Its totient is φ = 21361956.

The previous prime is 22332971. The next prime is 22332997. The reversal of 22332977 is 77923322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22332977 - 2⁸ = 22332721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22332971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485477 + ... + 485522.

It is an arithmetic number, because the mean of its divisors is an integer number (5826000).

Almost surely, 2^22332977 is an apocalyptic number.

It is an amenable number.

22332977 is a deficient number, since it is larger than the sum of its proper divisors (971023).

22332977 is an equidigital number, since it uses as much as digits as its factorization.

22332977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971022.

The product of its digits is 31752, while the sum is 35.

The square root of 22332977 is about 4725.7779253791. Note that the first 3 decimals coincide. The cubic root of 22332977 is about 281.6105189406.

The spelling of 22332977 in words is "twenty-two million, three hundred thirty-two thousand, nine hundred seventy-seven".