322666401 has 8 divisors (see below), whose sum is σ = 435405600. Its totient is φ = 212519072.

The previous prime is 322666397. The next prime is 322666411. The reversal of 322666401 is 104666223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 322666401 - 2² = 322666397 is a prime.

It is a super-2 number, since 2×322666401² = 208227212668585602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (322666411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647676 + ... + 648173.

It is an arithmetic number, because the mean of its divisors is an integer number (54425700).

Almost surely, 2^322666401 is an apocalyptic number.

It is an amenable number.

322666401 is a deficient number, since it is larger than the sum of its proper divisors (112739199).

322666401 is a wasteful number, since it uses less digits than its factorization.

322666401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295935.

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

The square root of 322666401 is about 17962.9173855474. The cubic root of 322666401 is about 685.8849102996.

The spelling of 322666401 in words is "three hundred twenty-two million, six hundred sixty-six thousand, four hundred one".