445274226 has 32 divisors (see below), whose sum is σ = 991673280. Its totient is φ = 148098528.

The previous prime is 445274201. The next prime is 445274267. The reversal of 445274226 is 622472544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16390 + ... + 34046.

It is an arithmetic number, because the mean of its divisors is an integer number (30989790).

Almost surely, 2^445274226 is an apocalyptic number.

445274226 is an abundant number, since it is smaller than the sum of its proper divisors (546399054).

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

445274226 is a wasteful number, since it uses less digits than its factorization.

445274226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18135 (or 18129 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 445274226 is about 21101.5218882430. The cubic root of 445274226 is about 763.6174644905.

The spelling of 445274226 in words is "four hundred forty-five million, two hundred seventy-four thousand, two hundred twenty-six".