1322400322 has 8 divisors (see below), whose sum is σ = 2007499536. Its totient is φ = 653233812.

The previous prime is 1322400311. The next prime is 1322400337. The reversal of 1322400322 is 2230042231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1322400322² = 3497485223251407368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322400322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982968 + ... + 3983299.

It is an arithmetic number, because the mean of its divisors is an integer number (250937442).

Almost surely, 2^1322400322 is an apocalyptic number.

1322400322 is a deficient number, since it is larger than the sum of its proper divisors (685099214).

1322400322 is an equidigital number, since it uses as much as digits as its factorization.

1322400322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7966352.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1322400322 is about 36364.8225899701. The cubic root of 1322400322 is about 1097.6258220948.

Adding to 1322400322 its reverse (2230042231), we get a palindrome (3552442553).

The spelling of 1322400322 in words is "one billion, three hundred twenty-two million, four hundred thousand, three hundred twenty-two".