445332226 has 4 divisors (see below), whose sum is σ = 667998342. Its totient is φ = 222666112.

The previous prime is 445332197. The next prime is 445332247. The reversal of 445332226 is 622233544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 282744225 + 162588001 = 16815^2 + 12751^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 111333055 + ... + 111333058.

Almost surely, 2^445332226 is an apocalyptic number.

445332226 is a deficient number, since it is larger than the sum of its proper divisors (222666116).

445332226 is a wasteful number, since it uses less digits than its factorization.

445332226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222666115.

The product of its digits is 34560, while the sum is 31.

The square root of 445332226 is about 21102.8961519503. The cubic root of 445332226 is about 763.6506185092.

The spelling of 445332226 in words is "four hundred forty-five million, three hundred thirty-two thousand, two hundred twenty-six".