22059971 has 2 divisors, whose sum is σ = 22059972. Its totient is φ = 22059970.

The previous prime is 22059953. The next prime is 22059977. The reversal of 22059971 is 17995022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22059971 - 2⁶ = 22059907 is a prime.

It is not a weakly prime, because it can be changed into another prime (22059977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11029985 + 11029986.

It is an arithmetic number, because the mean of its divisors is an integer number (11029986).

Almost surely, 2^22059971 is an apocalyptic number.

22059971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22059971 is an equidigital number, since it uses as much as digits as its factorization.

22059971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 22059971 is about 4696.8043391225. The cubic root of 22059971 is about 280.4583097939.

The spelling of 22059971 in words is "twenty-two million, fifty-nine thousand, nine hundred seventy-one".