444022002 has 24 divisors (see below), whose sum is σ = 962717184. Its totient is φ = 147904344.

The previous prime is 444021967. The next prime is 444022003. The reversal of 444022002 is 200220444.

444022002 is a `hidden beast` number, since 4 + 440 + 220 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (444022003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20703 + ... + 36285.

It is an arithmetic number, because the mean of its divisors is an integer number (40113216).

Almost surely, 2^444022002 is an apocalyptic number.

444022002 is an abundant number, since it is smaller than the sum of its proper divisors (518695182).

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

444022002 is a wasteful number, since it uses less digits than its factorization.

444022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174 (or 17171 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 444022002 is about 21071.8295835934. The cubic root of 444022002 is about 762.9009637809.

Adding to 444022002 its reverse (200220444), we get a palindrome (644242446).

The spelling of 444022002 in words is "four hundred forty-four million, twenty-two thousand, two".