331022066 has 32 divisors (see below), whose sum is σ = 545054400. Its totient is φ = 150171840.

The previous prime is 331022059. The next prime is 331022149. The reversal of 331022066 is 660220133.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143216 + ... + 145508.

It is an arithmetic number, because the mean of its divisors is an integer number (17032950).

Almost surely, 2^331022066 is an apocalyptic number.

331022066 is a deficient number, since it is larger than the sum of its proper divisors (214032334).

331022066 is a wasteful number, since it uses less digits than its factorization.

331022066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 331022066 is about 18194.0118170787. The cubic root of 331022066 is about 691.7550128470.

Adding to 331022066 its reverse (660220133), we get a palindrome (991242199).

The spelling of 331022066 in words is "three hundred thirty-one million, twenty-two thousand, sixty-six".