22312189919 has 2 divisors, whose sum is σ = 22312189920. Its totient is φ = 22312189918.

The previous prime is 22312189841. The next prime is 22312189927. The reversal of 22312189919 is 91998121322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22312189919 - 2³² = 18017222623 is a prime.

It is a super-3 number, since 3×22312189919³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22312189979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156094959 + 11156094960.

It is an arithmetic number, because the mean of its divisors is an integer number (11156094960).

Almost surely, 2^22312189919 is an apocalyptic number.

22312189919 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312189919 is an equidigital number, since it uses as much as digits as its factorization.

22312189919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 47.

The spelling of 22312189919 in words is "twenty-two billion, three hundred twelve million, one hundred eighty-nine thousand, nine hundred nineteen".