331662242 has 12 divisors (see below), whose sum is σ = 514062198. Its totient is φ = 160480800.

The previous prime is 331662223. The next prime is 331662251. The reversal of 331662242 is 242266133.

It can be written as a sum of positive squares in only one way, i.e., 281266441 + 50395801 = 16771^2 + 7099^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84359 + ... + 88202.

Almost surely, 2^331662242 is an apocalyptic number.

331662242 is a deficient number, since it is larger than the sum of its proper divisors (182399956).

331662242 is a wasteful number, since it uses less digits than its factorization.

331662242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172625 (or 172594 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 331662242 is about 18211.5963605610. The cubic root of 331662242 is about 692.2006626800.

The spelling of 331662242 in words is "three hundred thirty-one million, six hundred sixty-two thousand, two hundred forty-two".