1322442330 has 128 divisors (see below), whose sum is σ = 3595124736. Its totient is φ = 308428800.

The previous prime is 1322442323. The next prime is 1322442347. The reversal of 1322442330 is 332442231.

It is a self number, because there is not a number n which added to its sum of digits gives 1322442330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2628859 + ... + 2629361.

It is an arithmetic number, because the mean of its divisors is an integer number (28086912).

Almost surely, 2^1322442330 is an apocalyptic number.

1322442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322442330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797562368).

1322442330 is an abundant number, since it is smaller than the sum of its proper divisors (2272682406).

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

1322442330 is a wasteful number, since it uses less digits than its factorization.

1322442330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1322442330 is about 36365.4001765414. The cubic root of 1322442330 is about 1097.6374445404.

Adding to 1322442330 its reverse (332442231), we get a palindrome (1654884561).

Subtracting from 1322442330 its reverse (332442231), we obtain a palindrome (990000099).

The spelling of 1322442330 in words is "one billion, three hundred twenty-two million, four hundred forty-two thousand, three hundred thirty".