231225744 has 40 divisors (see below), whose sum is σ = 628774240. Its totient is φ = 73018368.

The previous prime is 231225737. The next prime is 231225751. The reversal of 231225744 is 447522132.

It is an interprime number because it is at equal distance from previous prime (231225737) and next prime (231225751).

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, 125857 + ... + 127680.

It is an arithmetic number, because the mean of its divisors is an integer number (15719356).

Almost surely, 2^231225744 is an apocalyptic number.

231225744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231225744 is an abundant number, since it is smaller than the sum of its proper divisors (397548496).

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

231225744 is a wasteful number, since it uses less digits than its factorization.

231225744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253567 (or 253561 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 231225744 is about 15206.1087724638. The cubic root of 231225744 is about 613.7790516679.

Adding to 231225744 its reverse (447522132), we get a palindrome (678747876).

The spelling of 231225744 in words is "two hundred thirty-one million, two hundred twenty-five thousand, seven hundred forty-four".