1322400403 has 8 divisors (see below), whose sum is σ = 1426608288. Its totient is φ = 1221128064.

The previous prime is 1322400379. The next prime is 1322400427. The reversal of 1322400403 is 3040042231.

It is an interprime number because it is at equal distance from previous prime (1322400379) and next prime (1322400427).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322400403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322404403) 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, 732951 + ... + 734752.

It is an arithmetic number, because the mean of its divisors is an integer number (178326036).

Almost surely, 2^1322400403 is an apocalyptic number.

1322400403 is a deficient number, since it is larger than the sum of its proper divisors (104207885).

1322400403 is a wasteful number, since it uses less digits than its factorization.

1322400403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467773.

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

The square root of 1322400403 is about 36364.8237036838. The cubic root of 1322400403 is about 1097.6258445055.

Adding to 1322400403 its reverse (3040042231), we get a palindrome (4362442634).

The spelling of 1322400403 in words is "one billion, three hundred twenty-two million, four hundred thousand, four hundred three".