22864771 has 6 divisors (see below), whose sum is σ = 24090140. Its totient is φ = 21641616.

The previous prime is 22864747. The next prime is 22864781. The reversal of 22864771 is 17746822.

It is not a de Polignac number, because 22864771 - 2⁵ = 22864739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22864771.

It is not an unprimeable number, because it can be changed into a prime (22864781) 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 5 ways as a sum of consecutive naturals, for example, 20295 + ... + 21391.

Almost surely, 2^22864771 is an apocalyptic number.

22864771 is a deficient number, since it is larger than the sum of its proper divisors (1225369).

22864771 is an frugal number, since it uses more digits than its factorization.

22864771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213 (or 1116 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 22864771 is about 4781.7121410641. The cubic root of 22864771 is about 283.8282494899.

The spelling of 22864771 in words is "twenty-two million, eight hundred sixty-four thousand, seven hundred seventy-one".