2231772688 has 20 divisors (see below), whose sum is σ = 4366043968. Its totient is φ = 1105051680.

The previous prime is 2231772667. The next prime is 2231772689. The reversal of 2231772688 is 8862771322.

It is a super-3 number, since 3×2231772688³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231772689) 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, 675468 + ... + 678763.

Almost surely, 2^2231772688 is an apocalyptic number.

It is an amenable number.

2231772688 is a deficient number, since it is larger than the sum of its proper divisors (2134271280).

2231772688 is a wasteful number, since it uses less digits than its factorization.

2231772688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354342 (or 1354336 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 2231772688 is about 47241.6414617443. The cubic root of 2231772688 is about 1306.8226491331.

The spelling of 2231772688 in words is "two billion, two hundred thirty-one million, seven hundred seventy-two thousand, six hundred eighty-eight".