447922 has 8 divisors (see below), whose sum is σ = 690156. Its totient is φ = 217872.

The previous prime is 447907. The next prime is 447943. The reversal of 447922 is 229744.

It can be written as a sum of positive squares in 2 ways, for example, as 447561 + 361 = 669^2 + 19^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

447922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953 + ... + 3100.

2⁴⁴⁷⁹²² is an apocalyptic number.

447922 is a deficient number, since it is larger than the sum of its proper divisors (242234).

447922 is a wasteful number, since it uses less digits than its factorization.

447922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092.

The product of its digits is 4032, while the sum is 28.

The square root of 447922 is about 669.2697512961. The cubic root of 447922 is about 76.5128063200.

It can be divided in two parts, 447 and 922, that added together give a square (1369 = 37²).

The spelling of 447922 in words is "four hundred forty-seven thousand, nine hundred twenty-two".