445322226 has 8 divisors (see below), whose sum is σ = 890644464. Its totient is φ = 148440740.

The previous prime is 445322219. The next prime is 445322239. The reversal of 445322226 is 622223544.

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

445322226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 445322193 and 445322202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37110180 + ... + 37110191.

It is an arithmetic number, because the mean of its divisors is an integer number (111330558).

Almost surely, 2^445322226 is an apocalyptic number.

445322226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445322226 is a wasteful number, since it uses less digits than its factorization.

445322226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74220376.

The product of its digits is 23040, while the sum is 30.

The square root of 445322226 is about 21102.6592163168. The cubic root of 445322226 is about 763.6449025045.

The spelling of 445322226 in words is "four hundred forty-five million, three hundred twenty-two thousand, two hundred twenty-six".