22772982 has 32 divisors (see below), whose sum is σ = 49248000. Its totient is φ = 6995808.

The previous prime is 22772951. The next prime is 22772993. The reversal of 22772982 is 28927722.

It is a self number, because there is not a number n which added to its sum of digits gives 22772982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1519 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (1539000).

Almost surely, 2^22772982 is an apocalyptic number.

22772982 is an abundant number, since it is smaller than the sum of its proper divisors (26475018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22772982 is a wasteful number, since it uses less digits than its factorization.

22772982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460.

The product of its digits is 56448, while the sum is 39.

The square root of 22772982 is about 4772.1045671695. The cubic root of 22772982 is about 283.4479373368.

The spelling of 22772982 in words is "twenty-two million, seven hundred seventy-two thousand, nine hundred eighty-two".