22715359687 has 2 divisors, whose sum is σ = 22715359688. Its totient is φ = 22715359686.

The previous prime is 22715359631. The next prime is 22715359741. The reversal of 22715359687 is 78695351722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22715359687 - 2⁷ = 22715359559 is a prime.

It is a super-3 number, since 3×22715359687³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22715359087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11357679843 + 11357679844.

It is an arithmetic number, because the mean of its divisors is an integer number (11357679844).

Almost surely, 2^22715359687 is an apocalyptic number.

22715359687 is a deficient number, since it is larger than the sum of its proper divisors (1).

22715359687 is an equidigital number, since it uses as much as digits as its factorization.

22715359687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 55.

The spelling of 22715359687 in words is "twenty-two billion, seven hundred fifteen million, three hundred fifty-nine thousand, six hundred eighty-seven".