274338220057 has 18 divisors (see below), whose sum is σ = 305730933326. Its totient is φ = 245937827520.

The previous prime is 274338220021. The next prime is 274338220061. The reversal of 274338220057 is 750022833472.

It can be written as a sum of positive squares in 3 ways, for example, as 6127132176 + 268211087881 = 78276^2 + 517891^2 .

It is not a de Polignac number, because 274338220057 - 2²³ = 274329831449 is a prime.

It is a super-2 number, since 2×274338220057² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 274338219995 and 274338220022.

It is not an unprimeable number, because it can be changed into a prime (274338220157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49223523 + ... + 49229095.

Almost surely, 2^274338220057 is an apocalyptic number.

It is an amenable number.

274338220057 is a deficient number, since it is larger than the sum of its proper divisors (31392713269).

274338220057 is an frugal number, since it uses more digits than its factorization.

274338220057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11241 (or 5657 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 274338220057 in words is "two hundred seventy-four billion, three hundred thirty-eight million, two hundred twenty thousand, fifty-seven".