22548971 has 2 divisors, whose sum is σ = 22548972. Its totient is φ = 22548970.

The previous prime is 22548941. The next prime is 22548973. The reversal of 22548971 is 17984522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22548971 - 2⁶ = 22548907 is a prime.

Together with 22548973, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 22548971 parts by 6715 straight cuts.

It is not a weakly prime, because it can be changed into another prime (22548973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11274485 + 11274486.

It is an arithmetic number, because the mean of its divisors is an integer number (11274486).

Almost surely, 2^22548971 is an apocalyptic number.

22548971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22548971 is an equidigital number, since it uses as much as digits as its factorization.

22548971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 22548971 is about 4748.5756811912. The cubic root of 22548971 is about 282.5154756970.

The spelling of 22548971 in words is "twenty-two million, five hundred forty-eight thousand, nine hundred seventy-one".