22112997919 has 2 divisors, whose sum is σ = 22112997920. Its totient is φ = 22112997918.

The previous prime is 22112997839. The next prime is 22112997931. The reversal of 22112997919 is 91979921122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22112997919 - 2¹⁵ = 22112965151 is a prime.

It is a super-2 number, since 2×22112997919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22112997989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056498959 + 11056498960.

It is an arithmetic number, because the mean of its divisors is an integer number (11056498960).

Almost surely, 2^22112997919 is an apocalyptic number.

22112997919 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112997919 is an equidigital number, since it uses as much as digits as its factorization.

22112997919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 52.

The spelling of 22112997919 in words is "twenty-two billion, one hundred twelve million, nine hundred ninety-seven thousand, nine hundred nineteen".