22470055857 has 10 divisors (see below), whose sum is σ = 33566379858. Its totient is φ = 14980037184.

The previous prime is 22470055843. The next prime is 22470055871. The reversal of 22470055857 is 75855007422.

22470055857 is a `hidden beast` number, since 2 + 2 + 47 + 0 + 0 + 558 + 57 = 666.

It is an interprime number because it is at equal distance from previous prime (22470055843) and next prime (22470055871).

It can be written as a sum of positive squares in only one way, i.e., 14524829361 + 7945226496 = 120519^2 + 89136^2 .

It is not a de Polignac number, because 22470055857 - 2¹² = 22470051761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22470055807) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 138703968 + ... + 138704129.

Almost surely, 2^22470055857 is an apocalyptic number.

22470055857 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22470055857 is a deficient number, since it is larger than the sum of its proper divisors (11096324001).

22470055857 is an equidigital number, since it uses as much as digits as its factorization.

22470055857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277408109 (or 277408100 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The spelling of 22470055857 in words is "twenty-two billion, four hundred seventy million, fifty-five thousand, eight hundred fifty-seven".