1323222330 has 16 divisors (see below), whose sum is σ = 3175733664. Its totient is φ = 352859280.

The previous prime is 1323222317. The next prime is 1323222337. The reversal of 1323222330 is 332223231.

It is a super-2 number, since 2×1323222330² = 3501834669221257800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323222297 and 1323222306.

It is not an unprimeable number, because it can be changed into a prime (1323222337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22053676 + ... + 22053735.

It is an arithmetic number, because the mean of its divisors is an integer number (198483354).

Almost surely, 2^1323222330 is an apocalyptic number.

1323222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323222330 is an abundant number, since it is smaller than the sum of its proper divisors (1852511334).

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

1323222330 is a wasteful number, since it uses less digits than its factorization.

1323222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44107421.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1323222330 is about 36376.1230754461. The cubic root of 1323222330 is about 1097.8532041535.

Adding to 1323222330 its reverse (332223231), we get a palindrome (1655445561).

Subtracting from 1323222330 its reverse (332223231), we obtain a palindrome (990999099).

The spelling of 1323222330 in words is "one billion, three hundred twenty-three million, two hundred twenty-two thousand, three hundred thirty".