322244442 has 72 divisors (see below), whose sum is σ = 777483252. Its totient is φ = 95886720.

The previous prime is 322244437. The next prime is 322244443. The reversal of 322244442 is 244442223.

It can be written as a sum of positive squares in 2 ways, for example, as 322166601 + 77841 = 17949^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (322244443) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 224158 + ... + 225590.

Almost surely, 2^322244442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322244442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388741626).

322244442 is an abundant number, since it is smaller than the sum of its proper divisors (455238810).

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

322244442 is a wasteful number, since it uses less digits than its factorization.

322244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1482 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 322244442 is about 17951.1682628179. The cubic root of 322244442 is about 685.5857968703.

Adding to 322244442 its reverse (244442223), we get a palindrome (566686665).

The spelling of 322244442 in words is "three hundred twenty-two million, two hundred forty-four thousand, four hundred forty-two".