322999489 has 2 divisors, whose sum is σ = 322999490. Its totient is φ = 322999488.

The previous prime is 322999483. The next prime is 322999493. The reversal of 322999489 is 984999223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296115264 + 26884225 = 17208^2 + 5185^2 .

It is a cyclic number.

It is not a de Polignac number, because 322999489 - 2¹³ = 322991297 is a prime.

It is a super-2 number, since 2×322999489² = 208657339788522242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (322999483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161499744 + 161499745.

It is an arithmetic number, because the mean of its divisors is an integer number (161499745).

Almost surely, 2^322999489 is an apocalyptic number.

It is an amenable number.

322999489 is a deficient number, since it is larger than the sum of its proper divisors (1).

322999489 is an equidigital number, since it uses as much as digits as its factorization.

322999489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 55.

The square root of 322999489 is about 17972.1865392055. The cubic root of 322999489 is about 686.1208417594.

The spelling of 322999489 in words is "three hundred twenty-two million, nine hundred ninety-nine thousand, four hundred eighty-nine".