22169862457 has 2 divisors, whose sum is σ = 22169862458. Its totient is φ = 22169862456.

The previous prime is 22169862437. The next prime is 22169862461. The reversal of 22169862457 is 75426896122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16184673961 + 5985188496 = 127219^2 + 77364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22169862457 is a prime.

It is not a weakly prime, because it can be changed into another prime (22169862437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11084931228 + 11084931229.

It is an arithmetic number, because the mean of its divisors is an integer number (11084931229).

Almost surely, 2^22169862457 is an apocalyptic number.

It is an amenable number.

22169862457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22169862457 is an equidigital number, since it uses as much as digits as its factorization.

22169862457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 52.

The spelling of 22169862457 in words is "twenty-two billion, one hundred sixty-nine million, eight hundred sixty-two thousand, four hundred fifty-seven".