22064318719 has 2 divisors, whose sum is σ = 22064318720. Its totient is φ = 22064318718.

The previous prime is 22064318699. The next prime is 22064318737. The reversal of 22064318719 is 91781346022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22064318719 - 2⁵ = 22064318687 is a prime.

It is a super-2 number, since 2×22064318719² (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 (22064318519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11032159359 + 11032159360.

It is an arithmetic number, because the mean of its divisors is an integer number (11032159360).

Almost surely, 2^22064318719 is an apocalyptic number.

22064318719 is a deficient number, since it is larger than the sum of its proper divisors (1).

22064318719 is an equidigital number, since it uses as much as digits as its factorization.

22064318719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 22064318719 in words is "twenty-two billion, sixty-four million, three hundred eighteen thousand, seven hundred nineteen".