447222 has 16 divisors (see below), whose sum is σ = 941760. Its totient is φ = 141192.

The previous prime is 447221. The next prime is 447233. The reversal of 447222 is 222744.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 447222.

It is not an unprimeable number, because it can be changed into a prime (447221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (58860).

2⁴⁴⁷²²² is an apocalyptic number.

447222 is an abundant number, since it is smaller than the sum of its proper divisors (494538).

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

447222 is a wasteful number, since it uses less digits than its factorization.

447222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947.

The product of its digits is 896, while the sum is 21.

The square root of 447222 is about 668.7465887763. The cubic root of 447222 is about 76.4729281799.

Adding to 447222 its reverse (222744), we get a palindrome (669966).

The spelling of 447222 in words is "four hundred forty-seven thousand, two hundred twenty-two", and thus it is an iban number.