22607311691 has 2 divisors, whose sum is σ = 22607311692. Its totient is φ = 22607311690.

The previous prime is 22607311679. The next prime is 22607311723. The reversal of 22607311691 is 19611370622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22607311691 is a prime.

It is a super-2 number, since 2×22607311691² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22607311631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11303655845 + 11303655846.

It is an arithmetic number, because the mean of its divisors is an integer number (11303655846).

Almost surely, 2^22607311691 is an apocalyptic number.

22607311691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22607311691 is an equidigital number, since it uses as much as digits as its factorization.

22607311691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 22607311691 in words is "twenty-two billion, six hundred seven million, three hundred eleven thousand, six hundred ninety-one".