2243232311 has 4 divisors (see below), whose sum is σ = 2244001632. Its totient is φ = 2242462992.

The previous prime is 2243232307. The next prime is 2243232349. The reversal of 2243232311 is 1132323422.

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

It is a cyclic number.

It is not a de Polignac number, because 2243232311 - 2² = 2243232307 is a prime.

It is a super-2 number, since 2×2243232311² = 10064182402228801442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243232301) 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, 380270 + ... + 386123.

It is an arithmetic number, because the mean of its divisors is an integer number (561000408).

Almost surely, 2^2243232311 is an apocalyptic number.

2243232311 is a deficient number, since it is larger than the sum of its proper divisors (769321).

2243232311 is an equidigital number, since it uses as much as digits as its factorization.

2243232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769320.

The product of its digits is 1728, while the sum is 23.

The square root of 2243232311 is about 47362.7734724224. The cubic root of 2243232311 is about 1309.0555730064.

Adding to 2243232311 its reverse (1132323422), we get a palindrome (3375555733).

The spelling of 2243232311 in words is "two billion, two hundred forty-three million, two hundred thirty-two thousand, three hundred eleven".