2261131274 has 16 divisors (see below), whose sum is σ = 3595814208. Its totient is φ = 1062697152.

The previous prime is 2261131259. The next prime is 2261131277. The reversal of 2261131274 is 4721311622.

It is a super-2 number, since 2×2261131274² = 10225429276521726152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261131277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15494 + ... + 69009.

It is an arithmetic number, because the mean of its divisors is an integer number (224738388).

Almost surely, 2^2261131274 is an apocalyptic number.

2261131274 is a deficient number, since it is larger than the sum of its proper divisors (1334682934).

2261131274 is a wasteful number, since it uses less digits than its factorization.

2261131274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85309.

The product of its digits is 4032, while the sum is 29.

The square root of 2261131274 is about 47551.3540711513. The cubic root of 2261131274 is about 1312.5280463727.

Adding to 2261131274 its reverse (4721311622), we get a palindrome (6982442896).

The spelling of 2261131274 in words is "two billion, two hundred sixty-one million, one hundred thirty-one thousand, two hundred seventy-four".