447422399 has 2 divisors, whose sum is σ = 447422400. Its totient is φ = 447422398.

The previous prime is 447422383. The next prime is 447422413. The reversal of 447422399 is 993224744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447422399 - 2⁴ = 447422383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447422369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223711199 + 223711200.

It is an arithmetic number, because the mean of its divisors is an integer number (223711200).

Almost surely, 2^447422399 is an apocalyptic number.

447422399 is a deficient number, since it is larger than the sum of its proper divisors (1).

447422399 is an equidigital number, since it uses as much as digits as its factorization.

447422399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 447422399 is about 21152.3615466453. The cubic root of 447422399 is about 764.8434891346.

The spelling of 447422399 in words is "four hundred forty-seven million, four hundred twenty-two thousand, three hundred ninety-nine".