4220002044 has 48 divisors (see below), whose sum is σ = 10979485440. Its totient is φ = 1401686640.

The previous prime is 4220002043. The next prime is 4220002051. The reversal of 4220002044 is 4402000224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220002043) 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 15 ways as a sum of consecutive naturals, for example, 38472 + ... + 99599.

It is an arithmetic number, because the mean of its divisors is an integer number (228739280).

Almost surely, 2^4220002044 is an apocalyptic number.

It is an amenable number.

4220002044 is an abundant number, since it is smaller than the sum of its proper divisors (6759483396).

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

4220002044 is a wasteful number, since it uses less digits than its factorization.

4220002044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138367 (or 138359 counting only the distinct ones).

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

The square root of 4220002044 is about 64961.5428080337. The cubic root of 4220002044 is about 1615.9858504259.

Adding to 4220002044 its reverse (4402000224), we get a palindrome (8622002268).

The spelling of 4220002044 in words is "four billion, two hundred twenty million, two thousand, forty-four".