447822 has 16 divisors (see below), whose sum is σ = 995280. Its totient is φ = 149256.

The previous prime is 447817. The next prime is 447823. The reversal of 447822 is 228744.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447823) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 4200.

It is an arithmetic number, because the mean of its divisors is an integer number (62205).

2⁴⁴⁷⁸²² is an apocalyptic number.

447822 is an abundant number, since it is smaller than the sum of its proper divisors (547458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447822 is a wasteful number, since it uses less digits than its factorization.

447822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8304 (or 8298 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 447822 is about 669.1950388340. The cubic root of 447822 is about 76.5071119878.

The spelling of 447822 in words is "four hundred forty-seven thousand, eight hundred twenty-two".