1322616899 has 2 divisors, whose sum is σ = 1322616900. Its totient is φ = 1322616898.

The previous prime is 1322616887. The next prime is 1322616913. The reversal of 1322616899 is 9986162231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1322616899 - 2²⁰ = 1321568323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322616839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661308449 + 661308450.

It is an arithmetic number, because the mean of its divisors is an integer number (661308450).

Almost surely, 2^1322616899 is an apocalyptic number.

1322616899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322616899 is an equidigital number, since it uses as much as digits as its factorization.

1322616899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 1322616899 is about 36367.8003046651. The cubic root of 1322616899 is about 1097.6857402924.

The spelling of 1322616899 in words is "one billion, three hundred twenty-two million, six hundred sixteen thousand, eight hundred ninety-nine".