22140717149 has 2 divisors, whose sum is σ = 22140717150. Its totient is φ = 22140717148.

The previous prime is 22140717107. The next prime is 22140717293. The reversal of 22140717149 is 94171704122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17585412100 + 4555305049 = 132610^2 + 67493^2 .

It is a cyclic number.

It is not a de Polignac number, because 22140717149 - 2²⁸ = 21872281693 is a prime.

It is a super-2 number, since 2×22140717149² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22140717449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070358574 + 11070358575.

It is an arithmetic number, because the mean of its divisors is an integer number (11070358575).

Almost surely, 2^22140717149 is an apocalyptic number.

It is an amenable number.

22140717149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22140717149 is an equidigital number, since it uses as much as digits as its factorization.

22140717149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 22140717149 in words is "twenty-two billion, one hundred forty million, seven hundred seventeen thousand, one hundred forty-nine".