322420401 has 6 divisors (see below), whose sum is σ = 465718370. Its totient is φ = 214946928.

The previous prime is 322420393. The next prime is 322420403. The reversal of 322420401 is 104024223.

It can be written as a sum of positive squares in only one way, i.e., 261954225 + 60466176 = 16185^2 + 7776^2 .

It is not a de Polignac number, because 322420401 - 2³ = 322420393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322420403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17912236 + ... + 17912253.

Almost surely, 2^322420401 is an apocalyptic number.

It is an amenable number.

322420401 is a deficient number, since it is larger than the sum of its proper divisors (143297969).

322420401 is a wasteful number, since it uses less digits than its factorization.

322420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35824495 (or 35824492 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 322420401 is about 17956.0686398777. The cubic root of 322420401 is about 685.7105603778.

Adding to 322420401 its reverse (104024223), we get a palindrome (426444624).

The spelling of 322420401 in words is "three hundred twenty-two million, four hundred twenty thousand, four hundred one".