22557455087 has 2 divisors, whose sum is σ = 22557455088. Its totient is φ = 22557455086.

The previous prime is 22557454991. The next prime is 22557455093. The reversal of 22557455087 is 78055475522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22557455087 - 2¹⁸ = 22557192943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22557451087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278727543 + 11278727544.

It is an arithmetic number, because the mean of its divisors is an integer number (11278727544).

Almost surely, 2^22557455087 is an apocalyptic number.

22557455087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22557455087 is an equidigital number, since it uses as much as digits as its factorization.

22557455087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920000, while the sum is 50.

The spelling of 22557455087 in words is "twenty-two billion, five hundred fifty-seven million, four hundred fifty-five thousand, eighty-seven".