445622 has 8 divisors (see below), whose sum is σ = 672672. Its totient is φ = 221400.

The previous prime is 445619. The next prime is 445631. The reversal of 445622 is 226544.

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

It is a congruent number.

It is an unprimeable 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, 254 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (84084).

2⁴⁴⁵⁶²² is an apocalyptic number.

445622 is a deficient number, since it is larger than the sum of its proper divisors (227050).

445622 is a wasteful number, since it uses less digits than its factorization.

445622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414.

The product of its digits is 1920, while the sum is 23.

The square root of 445622 is about 667.5492491195. The cubic root of 445622 is about 76.3816216313.

The spelling of 445622 in words is "four hundred forty-five thousand, six hundred twenty-two".