22647319999 has 2 divisors, whose sum is σ = 22647320000. Its totient is φ = 22647319998.

The previous prime is 22647319969. The next prime is 22647320071. The reversal of 22647319999 is 99991374622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22647319999 - 2¹¹ = 22647317951 is a prime.

It is a super-2 number, since 2×22647319999² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22647319939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11323659999 + 11323660000.

It is an arithmetic number, because the mean of its divisors is an integer number (11323660000).

Almost surely, 2^22647319999 is an apocalyptic number.

22647319999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22647319999 is an equidigital number, since it uses as much as digits as its factorization.

22647319999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13226976, while the sum is 61.

The spelling of 22647319999 in words is "twenty-two billion, six hundred forty-seven million, three hundred nineteen thousand, nine hundred ninety-nine".