22557416389 has 2 divisors, whose sum is σ = 22557416390. Its totient is φ = 22557416388.

The previous prime is 22557416381. The next prime is 22557416393. The reversal of 22557416389 is 98361475522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14532302500 + 8025113889 = 120550^2 + 89583^2 .

It is a cyclic number.

It is not a de Polignac number, because 22557416389 - 2³ = 22557416381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22557416381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278708194 + 11278708195.

It is an arithmetic number, because the mean of its divisors is an integer number (11278708195).

Almost surely, 2^22557416389 is an apocalyptic number.

It is an amenable number.

22557416389 is a deficient number, since it is larger than the sum of its proper divisors (1).

22557416389 is an equidigital number, since it uses as much as digits as its factorization.

22557416389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 52.

The spelling of 22557416389 in words is "twenty-two billion, five hundred fifty-seven million, four hundred sixteen thousand, three hundred eighty-nine".