445274224 has 10 divisors (see below), whose sum is σ = 862718840. Its totient is φ = 222637104.

The previous prime is 445274201. The next prime is 445274267. The reversal of 445274224 is 422472544.

It is a self number, because there is not a number n which added to its sum of digits gives 445274224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13914804 + ... + 13914835.

It is an arithmetic number, because the mean of its divisors is an integer number (86271884).

Almost surely, 2^445274224 is an apocalyptic number.

It is an amenable number.

445274224 is a deficient number, since it is larger than the sum of its proper divisors (417444616).

445274224 is a wasteful number, since it uses less digits than its factorization.

445274224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27829647 (or 27829641 counting only the distinct ones).

The product of its digits is 71680, while the sum is 34.

The square root of 445274224 is about 21101.5218408531. The cubic root of 445274224 is about 763.6174633472.

Subtracting from 445274224 its product of digits (71680), we obtain a palindrome (445202544).

The spelling of 445274224 in words is "four hundred forty-five million, two hundred seventy-four thousand, two hundred twenty-four".