2243275731 has 6 divisors (see below), whose sum is σ = 3240287180. Its totient is φ = 1495517148.

The previous prime is 2243275703. The next prime is 2243275733. The reversal of 2243275731 is 1375723422.

2243275731 is a `hidden beast` number, since 22 + 43 + 27 + 573 + 1 = 666.

It is not a de Polignac number, because 2243275731 - 2⁶ = 2243275667 is a prime.

It is a super-2 number, since 2×2243275731² = 10064572010587168722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243275733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124626421 + ... + 124626438.

Almost surely, 2^2243275731 is an apocalyptic number.

2243275731 is a deficient number, since it is larger than the sum of its proper divisors (997011449).

2243275731 is a wasteful number, since it uses less digits than its factorization.

2243275731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249252865 (or 249252862 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 2243275731 is about 47363.2318470773. The cubic root of 2243275731 is about 1309.0640189776.

The spelling of 2243275731 in words is "two billion, two hundred forty-three million, two hundred seventy-five thousand, seven hundred thirty-one".