444112220 has 24 divisors (see below), whose sum is σ = 933047808. Its totient is φ = 177566400.

The previous prime is 444112219. The next prime is 444112223. The reversal of 444112220 is 22211444.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 444112192 and 444112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444112223) 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, 67685 + ... + 73955.

It is an arithmetic number, because the mean of its divisors is an integer number (38876992).

Almost surely, 2^444112220 is an apocalyptic number.

It is an amenable number.

444112220 is an abundant number, since it is smaller than the sum of its proper divisors (488935588).

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

444112220 is a wasteful number, since it uses less digits than its factorization.

444112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9821 (or 9819 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 444112220 is about 21073.9702002257. The cubic root of 444112220 is about 762.9526299429.

Adding to 444112220 its reverse (22211444), we get a palindrome (466323664).

It can be divided in two parts, 4441 and 12220, that added together give a palindrome (16661).

The spelling of 444112220 in words is "four hundred forty-four million, one hundred twelve thousand, two hundred twenty".