331670522 has 4 divisors (see below), whose sum is σ = 497505786. Its totient is φ = 165835260.

The previous prime is 331670509. The next prime is 331670543. The reversal of 331670522 is 225076133.

331670522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 320374201 + 11296321 = 17899^2 + 3361^2 .

It is a super-2 number, since 2×331670522² = 220010670327504968, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 82917629 + ... + 82917632.

Almost surely, 2^331670522 is an apocalyptic number.

331670522 is a deficient number, since it is larger than the sum of its proper divisors (165835264).

331670522 is a wasteful number, since it uses less digits than its factorization.

331670522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165835263.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 331670522 is about 18211.8236868250. The cubic root of 331670522 is about 692.2064229315.

The spelling of 331670522 in words is "three hundred thirty-one million, six hundred seventy thousand, five hundred twenty-two".