322604661 has 16 divisors (see below), whose sum is σ = 440561088. Its totient is φ = 209913600.

The previous prime is 322604657. The next prime is 322604669. The reversal of 322604661 is 166406223.

It is not a de Polignac number, because 322604661 - 2² = 322604657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322604669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17245 + ... + 30701.

It is an arithmetic number, because the mean of its divisors is an integer number (27535068).

Almost surely, 2^322604661 is an apocalyptic number.

It is an amenable number.

322604661 is a deficient number, since it is larger than the sum of its proper divisors (117956427).

322604661 is a wasteful number, since it uses less digits than its factorization.

322604661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13652.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 322604661 is about 17961.1987628889. The cubic root of 322604661 is about 685.8411610533.

The spelling of 322604661 in words is "three hundred twenty-two million, six hundred four thousand, six hundred sixty-one".