322438401 has 24 divisors (see below), whose sum is σ = 487547424. Its totient is φ = 212932800.

The previous prime is 322438397. The next prime is 322438411. The reversal of 322438401 is 104834223.

322438401 is a `hidden beast` number, since 3 + 224 + 38 + 401 = 666.

It is not a de Polignac number, because 322438401 - 2² = 322438397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (322438411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19801 + ... + 32201.

It is an arithmetic number, because the mean of its divisors is an integer number (20314476).

Almost surely, 2^322438401 is an apocalyptic number.

It is an amenable number.

322438401 is a deficient number, since it is larger than the sum of its proper divisors (165109023).

322438401 is a wasteful number, since it uses less digits than its factorization.

322438401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12523 (or 12511 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 322438401 is about 17956.5698561836. The cubic root of 322438401 is about 685.7233206957.

The spelling of 322438401 in words is "three hundred twenty-two million, four hundred thirty-eight thousand, four hundred one".