231252244 has 12 divisors (see below), whose sum is σ = 404878068. Its totient is φ = 115572800.

The previous prime is 231252239. The next prime is 231252253. The reversal of 231252244 is 442252132.

It can be written as a sum of positive squares in 2 ways, for example, as 95296644 + 135955600 = 9762^2 + 11660^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617 + ... + 21664.

It is an arithmetic number, because the mean of its divisors is an integer number (33739839).

Almost surely, 2^231252244 is an apocalyptic number.

It is an amenable number.

231252244 is a deficient number, since it is larger than the sum of its proper divisors (173625824).

231252244 is a wasteful number, since it uses less digits than its factorization.

231252244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26666 (or 26664 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 231252244 is about 15206.9801078321. The cubic root of 231252244 is about 613.8024984855.

The spelling of 231252244 in words is "two hundred thirty-one million, two hundred fifty-two thousand, two hundred forty-four".