2274722731 has 12 divisors (see below), whose sum is σ = 2408584464. Its totient is φ = 2147965200.

The previous prime is 2274722717. The next prime is 2274722767. The reversal of 2274722731 is 1372274722.

2274722731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2274722731 is a prime.

It is a super-2 number, since 2×2274722731² = 10348727005856196722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2274722711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102141 + ... + 122401.

It is an arithmetic number, because the mean of its divisors is an integer number (200715372).

Almost surely, 2^2274722731 is an apocalyptic number.

2274722731 is a deficient number, since it is larger than the sum of its proper divisors (133861733).

2274722731 is a wasteful number, since it uses less digits than its factorization.

2274722731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20610 (or 20591 counting only the distinct ones).

The product of its digits is 65856, while the sum is 37.

The square root of 2274722731 is about 47694.0534133974. The cubic root of 2274722731 is about 1315.1526240756.

The spelling of 2274722731 in words is "two billion, two hundred seventy-four million, seven hundred twenty-two thousand, seven hundred thirty-one".