22463971 has 2 divisors, whose sum is σ = 22463972. Its totient is φ = 22463970.

The previous prime is 22463927. The next prime is 22463981. The reversal of 22463971 is 17936422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22463971 - 2⁷ = 22463843 is a prime.

It is not a weakly prime, because it can be changed into another prime (22463981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11231985 + 11231986.

It is an arithmetic number, because the mean of its divisors is an integer number (11231986).

Almost surely, 2^22463971 is an apocalyptic number.

22463971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22463971 is an equidigital number, since it uses as much as digits as its factorization.

22463971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 22463971 is about 4739.6171786337. The cubic root of 22463971 is about 282.1600411078.

The spelling of 22463971 in words is "twenty-two million, four hundred sixty-three thousand, nine hundred seventy-one".