3220044140 has 24 divisors (see below), whose sum is σ = 6944853552. Its totient is φ = 1253206080.

The previous prime is 3220044131. The next prime is 3220044143. The reversal of 3220044140 is 414400223.

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

It is not an unprimeable number, because it can be changed into a prime (3220044143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174966 + ... + 2176445.

It is an arithmetic number, because the mean of its divisors is an integer number (289368898).

Almost surely, 2^3220044140 is an apocalyptic number.

It is an amenable number.

3220044140 is an abundant number, since it is smaller than the sum of its proper divisors (3724809412).

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

3220044140 is a wasteful number, since it uses less digits than its factorization.

3220044140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351457 (or 4351455 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3220044140 is about 56745.4327677567. The cubic root of 3220044140 is about 1476.6829993647.

Adding to 3220044140 its reverse (414400223), we get a palindrome (3634444363).

The spelling of 3220044140 in words is "three billion, two hundred twenty million, forty-four thousand, one hundred forty".