22788722 has 32 divisors (see below), whose sum is σ = 40279680. Its totient is φ = 9560320.

The previous prime is 22788713. The next prime is 22788737.

22788722 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13898 + ... + 15450.

It is an arithmetic number, because the mean of its divisors is an integer number (1258740).

Almost surely, 2^22788722 is an apocalyptic number.

22788722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22788722 is a deficient number, since it is larger than the sum of its proper divisors (17490958).

22788722 is a wasteful number, since it uses less digits than its factorization.

22788722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618.

The product of its digits is 50176, while the sum is 38.

The square root of 22788722 is about 4773.7534498547. The cubic root of 22788722 is about 283.5132258594.

The spelling of 22788722 in words is "twenty-two million, seven hundred eighty-eight thousand, seven hundred twenty-two".