2264781731 has 4 divisors (see below), whose sum is σ = 2266847352. Its totient is φ = 2262716112.

The previous prime is 2264781713. The next prime is 2264781763. The reversal of 2264781731 is 1371874622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2264781731 is a prime.

It is a super-2 number, since 2×2264781731² = 10258472578142712722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2264781791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031165 + ... + 1033358.

It is an arithmetic number, because the mean of its divisors is an integer number (566711838).

Almost surely, 2^2264781731 is an apocalyptic number.

2264781731 is a deficient number, since it is larger than the sum of its proper divisors (2065621).

2264781731 is a wasteful number, since it uses less digits than its factorization.

2264781731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065620.

The product of its digits is 112896, while the sum is 41.

The square root of 2264781731 is about 47589.7229556971. The cubic root of 2264781731 is about 1313.2339984664.

The spelling of 2264781731 in words is "two billion, two hundred sixty-four million, seven hundred eighty-one thousand, seven hundred thirty-one".