444202220 has 96 divisors (see below), whose sum is σ = 1213664256. Its totient is φ = 132422400.

The previous prime is 444202219. The next prime is 444202223. The reversal of 444202220 is 22202444.

It is a super-2 number, since 2×444202220² = 394631224505856800, which contains 22 as substring.

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 = 444202192 and 444202201.

It is not an unprimeable number, because it can be changed into a prime (444202223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29150 + ... + 41690.

It is an arithmetic number, because the mean of its divisors is an integer number (12642336).

Almost surely, 2^444202220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606832128).

444202220 is an abundant number, since it is smaller than the sum of its proper divisors (769462036).

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

444202220 is a wasteful number, since it uses less digits than its factorization.

444202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12591 (or 12589 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 444202220 is about 21076.1054277113. The cubic root of 444202220 is about 763.0041642892.

Adding to 444202220 its reverse (22202444), we get a palindrome (466404664).

The spelling of 444202220 in words is "four hundred forty-four million, two hundred two thousand, two hundred twenty".