1322323400 has 48 divisors (see below), whose sum is σ = 3106142340. Its totient is φ = 523468800.

The previous prime is 1322323397. The next prime is 1322323439. The reversal of 1322323400 is 43232231.

It can be written as a sum of positive squares in 6 ways, for example, as 673194916 + 649128484 = 25946^2 + 25478^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 14681 + ... + 53480.

Almost surely, 2^1322323400 is an apocalyptic number.

1322323400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322323400 is an abundant number, since it is smaller than the sum of its proper divisors (1783818940).

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

1322323400 is a wasteful number, since it uses less digits than its factorization.

1322323400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68274 (or 68265 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1322323400 is about 36363.7649315909. The cubic root of 1322323400 is about 1097.6045392782.

Adding to 1322323400 its reverse (43232231), we get a palindrome (1365555631).

The spelling of 1322323400 in words is "one billion, three hundred twenty-two million, three hundred twenty-three thousand, four hundred".