2231812755 has 24 divisors (see below), whose sum is σ = 3906041568. Its totient is φ = 1178741376.

The previous prime is 2231812747. The next prime is 2231812787. The reversal of 2231812755 is 5572181322.

It is not a de Polignac number, because 2231812755 - 2³ = 2231812747 is a prime.

It is a super-3 number, since 3×2231812755³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236122 + ... + 245391.

It is an arithmetic number, because the mean of its divisors is an integer number (162751732).

Almost surely, 2^2231812755 is an apocalyptic number.

2231812755 is a deficient number, since it is larger than the sum of its proper divisors (1674228813).

2231812755 is a wasteful number, since it uses less digits than its factorization.

2231812755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481627 (or 481624 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 2231812755 is about 47242.0655242761. The cubic root of 2231812755 is about 1306.8304695457.

The spelling of 2231812755 in words is "two billion, two hundred thirty-one million, eight hundred twelve thousand, seven hundred fifty-five".