22098971 has 2 divisors, whose sum is σ = 22098972. Its totient is φ = 22098970.

The previous prime is 22098961. The next prime is 22098983. The reversal of 22098971 is 17989022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22098971 - 2¹⁴ = 22082587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22098911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11049485 + 11049486.

It is an arithmetic number, because the mean of its divisors is an integer number (11049486).

Almost surely, 2^22098971 is an apocalyptic number.

22098971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22098971 is an equidigital number, since it uses as much as digits as its factorization.

22098971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 22098971 is about 4700.9542648275. The cubic root of 22098971 is about 280.6234873257.

The spelling of 22098971 in words is "twenty-two million, ninety-eight thousand, nine hundred seventy-one".