442322999 has 2 divisors, whose sum is σ = 442323000. Its totient is φ = 442322998.

The previous prime is 442322989. The next prime is 442323029. The reversal of 442322999 is 999223244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442322999 - 2⁸ = 442322743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442322939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221161499 + 221161500.

It is an arithmetic number, because the mean of its divisors is an integer number (221161500).

Almost surely, 2^442322999 is an apocalyptic number.

442322999 is a deficient number, since it is larger than the sum of its proper divisors (1).

442322999 is an equidigital number, since it uses as much as digits as its factorization.

442322999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The square root of 442322999 is about 21031.4763865973. The cubic root of 442322999 is about 761.9266668888.

The spelling of 442322999 in words is "four hundred forty-two million, three hundred twenty-two thousand, nine hundred ninety-nine".