2257274881 has 4 divisors (see below), whose sum is σ = 2258169264. Its totient is φ = 2256380500.

The previous prime is 2257274867. The next prime is 2257274893. The reversal of 2257274881 is 1884727522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2257274881 - 2⁷ = 2257274753 is a prime.

It is a super-2 number, since 2×2257274881² = 10190579776787128322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257274861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443395 + ... + 448456.

It is an arithmetic number, because the mean of its divisors is an integer number (564542316).

Almost surely, 2^2257274881 is an apocalyptic number.

It is an amenable number.

2257274881 is a deficient number, since it is larger than the sum of its proper divisors (894383).

2257274881 is an equidigital number, since it uses as much as digits as its factorization.

2257274881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894382.

The product of its digits is 501760, while the sum is 46.

The square root of 2257274881 is about 47510.7869962180. The cubic root of 2257274881 is about 1311.7814430660.

The spelling of 2257274881 in words is "two billion, two hundred fifty-seven million, two hundred seventy-four thousand, eight hundred eighty-one".