22994358887597 has 2 divisors, whose sum is σ = 22994358887598. Its totient is φ = 22994358887596.

The previous prime is 22994358887519. The next prime is 22994358887639. The reversal of 22994358887597 is 79578885349922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13771439358121 + 9222919529476 = 3710989^2 + 3036926^2 .

It is a cyclic number.

It is not a de Polignac number, because 22994358887597 - 2²⁰ = 22994357839021 is a prime.

It is a super-2 number, since 2×22994358887597² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22994358817597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11497179443798 + 11497179443799.

It is an arithmetic number, because the mean of its divisors is an integer number (11497179443799).

Almost surely, 2^{22994358887597} is an apocalyptic number.

It is an amenable number.

22994358887597 is a deficient number, since it is larger than the sum of its proper divisors (1).

22994358887597 is an equidigital number, since it uses as much as digits as its factorization.

22994358887597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21946982400, while the sum is 86.

The spelling of 22994358887597 in words is "twenty-two trillion, nine hundred ninety-four billion, three hundred fifty-eight million, eight hundred eighty-seven thousand, five hundred ninety-seven".