331744425 has 12 divisors (see below), whose sum is σ = 548484240. Its totient is φ = 176930320.

The previous prime is 331744421. The next prime is 331744451. The reversal of 331744425 is 524447133.

It is not a de Polignac number, because 331744425 - 2² = 331744421 is a prime.

It is a super-2 number, since 2×331744425² = 220108727037161250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331744421) 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, 2211555 + ... + 2211704.

It is an arithmetic number, because the mean of its divisors is an integer number (45707020).

Almost surely, 2^331744425 is an apocalyptic number.

It is an amenable number.

331744425 is a deficient number, since it is larger than the sum of its proper divisors (216739815).

331744425 is a wasteful number, since it uses less digits than its factorization.

331744425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423272 (or 4423267 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 331744425 is about 18213.8525578747. The cubic root of 331744425 is about 692.2578317130.

The spelling of 331744425 in words is "three hundred thirty-one million, seven hundred forty-four thousand, four hundred twenty-five".