3220101444 has 72 divisors (see below), whose sum is σ = 9254437920. Its totient is φ = 865906944.

The previous prime is 3220101439. The next prime is 3220101473. The reversal of 3220101444 is 4441010223.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3220101444.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151074 + ... + 171065.

It is an arithmetic number, because the mean of its divisors is an integer number (128533860).

Almost surely, 2^3220101444 is an apocalyptic number.

3220101444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3220101444 is an abundant number, since it is smaller than the sum of its proper divisors (6034336476).

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

3220101444 is a wasteful number, since it uses less digits than its factorization.

3220101444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322177 (or 322168 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3220101444 is about 56745.9376872037. The cubic root of 3220101444 is about 1476.6917590107.

Adding to 3220101444 its reverse (4441010223), we get a palindrome (7661111667).

The spelling of 3220101444 in words is "three billion, two hundred twenty million, one hundred one thousand, four hundred forty-four".