320666122 has 16 divisors (see below), whose sum is σ = 550780992. Its totient is φ = 137161440.

The previous prime is 320666117. The next prime is 320666131. The reversal of 320666122 is 221666023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14688 + ... + 29275.

It is an arithmetic number, because the mean of its divisors is an integer number (34423812).

Almost surely, 2^320666122 is an apocalyptic number.

320666122 is a deficient number, since it is larger than the sum of its proper divisors (230114870).

320666122 is a wasteful number, since it uses less digits than its factorization.

320666122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44493.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 320666122 is about 17907.1528166819. The cubic root of 320666122 is about 684.4646549823.

Subtracting from 320666122 its reverse (221666023), we obtain a palindrome (99000099).

The spelling of 320666122 in words is "three hundred twenty million, six hundred sixty-six thousand, one hundred twenty-two".