1323222444 has 36 divisors (see below), whose sum is σ = 3350563944. Its totient is φ = 440315712.

The previous prime is 1323222419. The next prime is 1323222451. The reversal of 1323222444 is 4442223231.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10177 + ... + 52440.

Almost surely, 2^1323222444 is an apocalyptic number.

It is an amenable number.

1323222444 is an abundant number, since it is smaller than the sum of its proper divisors (2027341500).

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

1323222444 is a wasteful number, since it uses less digits than its factorization.

1323222444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63214 (or 63209 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 1323222444 is about 36376.1246424080. The cubic root of 1323222444 is about 1097.8532356814.

Adding to 1323222444 its reverse (4442223231), we get a palindrome (5765445675).

The spelling of 1323222444 in words is "one billion, three hundred twenty-three million, two hundred twenty-two thousand, four hundred forty-four".