444770226 has 24 divisors (see below), whose sum is σ = 970708284. Its totient is φ = 147173760.

The previous prime is 444770219. The next prime is 444770257. The reversal of 444770226 is 622077444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 443144601 + 1625625 = 21051^2 + 1275^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87715 + ... + 92646.

Almost surely, 2^444770226 is an apocalyptic number.

444770226 is an abundant number, since it is smaller than the sum of its proper divisors (525938058).

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

444770226 is a wasteful number, since it uses less digits than its factorization.

444770226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180506 (or 180503 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 444770226 is about 21089.5762404084. The cubic root of 444770226 is about 763.3292462210.

The spelling of 444770226 in words is "four hundred forty-four million, seven hundred seventy thousand, two hundred twenty-six".