22119959 has 2 divisors, whose sum is σ = 22119960. Its totient is φ = 22119958.

The previous prime is 22119919. The next prime is 22119961. The reversal of 22119959 is 95991122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22119959 - 2²⁰ = 21071383 is a prime.

Together with 22119961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22119919) 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, 11059979 + 11059980.

It is an arithmetic number, because the mean of its divisors is an integer number (11059980).

Almost surely, 2^22119959 is an apocalyptic number.

22119959 is a deficient number, since it is larger than the sum of its proper divisors (1).

22119959 is an equidigital number, since it uses as much as digits as its factorization.

22119959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 38.

The square root of 22119959 is about 4703.1860477765. The cubic root of 22119959 is about 280.7122978287.

The spelling of 22119959 in words is "twenty-two million, one hundred nineteen thousand, nine hundred fifty-nine".