2243142312 has 32 divisors (see below), whose sum is σ = 5691559200. Its totient is φ = 736553664.

The previous prime is 2243142301. The next prime is 2243142331. The reversal of 2243142312 is 2132413422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695887 + ... + 699102.

It is an arithmetic number, because the mean of its divisors is an integer number (177861225).

Almost surely, 2^2243142312 is an apocalyptic number.

It is an amenable number.

2243142312 is an abundant number, since it is smaller than the sum of its proper divisors (3448416888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243142312 is a wasteful number, since it uses less digits than its factorization.

2243142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395065 (or 1395061 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 2243142312 is about 47361.8233601706. The cubic root of 2243142312 is about 1309.0380662347.

Adding to 2243142312 its reverse (2132413422), we get a palindrome (4375555734).

The spelling of 2243142312 in words is "two billion, two hundred forty-three million, one hundred forty-two thousand, three hundred twelve".