22763971 has 4 divisors (see below), whose sum is σ = 22775944. Its totient is φ = 22752000.

The previous prime is 22763921. The next prime is 22763989. The reversal of 22763971 is 17936722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22763971 - 2¹⁹ = 22239683 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 22763971.

It is not an unprimeable number, because it can be changed into a prime (22763921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2430 + ... + 7171.

It is an arithmetic number, because the mean of its divisors is an integer number (5693986).

Almost surely, 2^22763971 is an apocalyptic number.

22763971 is a deficient number, since it is larger than the sum of its proper divisors (11973).

22763971 is an equidigital number, since it uses as much as digits as its factorization.

22763971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11972.

The product of its digits is 31752, while the sum is 37.

The square root of 22763971 is about 4771.1603410491. The cubic root of 22763971 is about 283.4105467377.

The spelling of 22763971 in words is "twenty-two million, seven hundred sixty-three thousand, nine hundred seventy-one".