1322440403 has 2 divisors, whose sum is σ = 1322440404. Its totient is φ = 1322440402.

The previous prime is 1322440351. The next prime is 1322440433. The reversal of 1322440403 is 3040442231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322440403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322440433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661220201 + 661220202.

It is an arithmetic number, because the mean of its divisors is an integer number (661220202).

Almost surely, 2^1322440403 is an apocalyptic number.

1322440403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322440403 is an equidigital number, since it uses as much as digits as its factorization.

1322440403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1322440403 is about 36365.3736815669. The cubic root of 1322440403 is about 1097.6369113985.

Adding to 1322440403 its reverse (3040442231), we get a palindrome (4362882634).

The spelling of 1322440403 in words is "one billion, three hundred twenty-two million, four hundred forty thousand, four hundred three".