444645222 has 16 divisors (see below), whose sum is σ = 1016332032. Its totient is φ = 127041480.

The previous prime is 444645221. The next prime is 444645233. The reversal of 444645222 is 222546444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444645221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5293354 + ... + 5293437.

It is an arithmetic number, because the mean of its divisors is an integer number (63520752).

Almost surely, 2^444645222 is an apocalyptic number.

444645222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

444645222 is an abundant number, since it is smaller than the sum of its proper divisors (571686810).

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

444645222 is a wasteful number, since it uses less digits than its factorization.

444645222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586803.

The product of its digits is 61440, while the sum is 33.

The square root of 444645222 is about 21086.6123879584. The cubic root of 444645222 is about 763.2577275325.

The spelling of 444645222 in words is "four hundred forty-four million, six hundred forty-five thousand, two hundred twenty-two".