2287274681 has 2 divisors, whose sum is σ = 2287274682. Its totient is φ = 2287274680.

The previous prime is 2287274669. The next prime is 2287274683. The reversal of 2287274681 is 1864727822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2139895081 + 147379600 = 46259^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287274681 - 2²² = 2283080377 is a prime.

It is a super-2 number, since 2×2287274681² = 10463250932687303522, which contains 22 as substring.

Together with 2287274683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2287274683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143637340 + 1143637341.

It is an arithmetic number, because the mean of its divisors is an integer number (1143637341).

Almost surely, 2^2287274681 is an apocalyptic number.

It is an amenable number.

2287274681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287274681 is an equidigital number, since it uses as much as digits as its factorization.

2287274681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 602112, while the sum is 47.

The square root of 2287274681 is about 47825.4605937047. The cubic root of 2287274681 is about 1317.5671981251.

The spelling of 2287274681 in words is "two billion, two hundred eighty-seven million, two hundred seventy-four thousand, six hundred eighty-one".