447922431 has 24 divisors (see below), whose sum is σ = 709924176. Its totient is φ = 269888640.

The previous prime is 447922421. The next prime is 447922463. The reversal of 447922431 is 134229744.

It is not a de Polignac number, because 447922431 - 2⁶ = 447922367 is a prime.

It is a super-2 number, since 2×447922431² = 401269008385899522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447922411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4051 + ... + 30203.

It is an arithmetic number, because the mean of its divisors is an integer number (29580174).

Almost surely, 2^447922431 is an apocalyptic number.

447922431 is a deficient number, since it is larger than the sum of its proper divisors (262001745).

447922431 is a wasteful number, since it uses less digits than its factorization.

447922431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26343 (or 26340 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 447922431 is about 21164.1780138044. The cubic root of 447922431 is about 765.1283086078.

The spelling of 447922431 in words is "four hundred forty-seven million, nine hundred twenty-two thousand, four hundred thirty-one".