2238976731 has 4 divisors (see below), whose sum is σ = 2985302312. Its totient is φ = 1492651152.

The previous prime is 2238976723. The next prime is 2238976759. The reversal of 2238976731 is 1376798322.

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

It is not a de Polignac number, because 2238976731 - 2³ = 2238976723 is a prime.

It is a super-2 number, since 2×2238976731² = 10026033603918892722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2238976711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373162786 + ... + 373162791.

It is an arithmetic number, because the mean of its divisors is an integer number (746325578).

Almost surely, 2^2238976731 is an apocalyptic number.

2238976731 is a deficient number, since it is larger than the sum of its proper divisors (746325581).

2238976731 is an equidigital number, since it uses as much as digits as its factorization.

2238976731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746325580.

The product of its digits is 762048, while the sum is 48.

The square root of 2238976731 is about 47317.8267780759. The cubic root of 2238976731 is about 1308.2272567800.

The spelling of 2238976731 in words is "two billion, two hundred thirty-eight million, nine hundred seventy-six thousand, seven hundred thirty-one".