322222400 has 42 divisors (see below), whose sum is σ = 792872430. Its totient is φ = 128888320.

The previous prime is 322222399. The next prime is 322222409. The reversal of 322222400 is 4222223.

It can be written as a sum of positive squares in 3 ways, for example, as 77862976 + 244359424 = 8824^2 + 15632^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322222409) 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, 99095 + ... + 102294.

It is an arithmetic number, because the mean of its divisors is an integer number (18877915).

Almost surely, 2^322222400 is an apocalyptic number.

It is an amenable number.

322222400 is an abundant number, since it is smaller than the sum of its proper divisors (470650030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322222400 is a wasteful number, since it uses less digits than its factorization.

322222400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201411 (or 201396 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 322222400 is about 17950.5543089900. The cubic root of 322222400 is about 685.5701648171.

Adding to 322222400 its reverse (4222223), we get a palindrome (326444623).

The spelling of 322222400 in words is "three hundred twenty-two million, two hundred twenty-two thousand, four hundred".