331472225 has 12 divisors (see below), whose sum is σ = 469743744. Its totient is φ = 227295120.

The previous prime is 331472213. The next prime is 331472257. The reversal of 331472225 is 522274133.

It is not a de Polignac number, because 331472225 - 2⁴ = 331472209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 946889 + ... + 947238.

It is an arithmetic number, because the mean of its divisors is an integer number (39145312).

Almost surely, 2^331472225 is an apocalyptic number.

331472225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

331472225 is a deficient number, since it is larger than the sum of its proper divisors (138271519).

331472225 is a wasteful number, since it uses less digits than its factorization.

331472225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894144 (or 1894139 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 331472225 is about 18206.3786898988. The cubic root of 331472225 is about 692.0684448154.

The spelling of 331472225 in words is "three hundred thirty-one million, four hundred seventy-two thousand, two hundred twenty-five".