331704222 has 16 divisors (see below), whose sum is σ = 669496080. Its totient is φ = 109553472.

The previous prime is 331704209. The next prime is 331704259. The reversal of 331704222 is 222407133.

It is a super-2 number, since 2×331704222² = 220055381785250568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331704192 and 331704201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252943 + ... + 254250.

It is an arithmetic number, because the mean of its divisors is an integer number (41843505).

Almost surely, 2^331704222 is an apocalyptic number.

331704222 is an abundant number, since it is smaller than the sum of its proper divisors (337791858).

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

331704222 is a wasteful number, since it uses less digits than its factorization.

331704222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507307.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 331704222 is about 18212.7488864257. The cubic root of 331704222 is about 692.2298664443.

The spelling of 331704222 in words is "three hundred thirty-one million, seven hundred four thousand, two hundred twenty-two".