2231956267 has 12 divisors (see below), whose sum is σ = 2290379520. Its totient is φ = 2174830560.

The previous prime is 2231956249. The next prime is 2231956273. The reversal of 2231956267 is 7626591322.

It is a de Polignac number, because none of the positive numbers 2^k-2231956267 is a prime.

It is a super-3 number, since 3×2231956267³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231956297) 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, 402838 + ... + 408340.

It is an arithmetic number, because the mean of its divisors is an integer number (190864960).

Almost surely, 2^2231956267 is an apocalyptic number.

2231956267 is a deficient number, since it is larger than the sum of its proper divisors (58423253).

2231956267 is an equidigital number, since it uses as much as digits as its factorization.

2231956267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734 (or 5673 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 2231956267 is about 47243.5844004241. The cubic root of 2231956267 is about 1306.8584799354.

The spelling of 2231956267 in words is "two billion, two hundred thirty-one million, nine hundred fifty-six thousand, two hundred sixty-seven".