322222401 has 16 divisors (see below), whose sum is σ = 492766720. Its totient is φ = 207884880.

The previous prime is 322222399. The next prime is 322222409. The reversal of 322222401 is 104222223.

It is not a de Polignac number, because 322222401 - 2¹ = 322222399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322222409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191650 + ... + 193323.

It is an arithmetic number, because the mean of its divisors is an integer number (30797920).

Almost surely, 2^322222401 is an apocalyptic number.

322222401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

322222401 is a deficient number, since it is larger than the sum of its proper divisors (170544319).

322222401 is a wasteful number, since it uses less digits than its factorization.

322222401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385013 (or 385007 counting only the distinct ones).

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

The square root of 322222401 is about 17950.5543368443. The cubic root of 322222401 is about 685.5701655264.

Adding to 322222401 its reverse (104222223), we get a palindrome (426444624).

The spelling of 322222401 in words is "three hundred twenty-two million, two hundred twenty-two thousand, four hundred one".