4220311144 has 16 divisors (see below), whose sum is σ = 9043524000. Its totient is φ = 1808704752.

The previous prime is 4220311127. The next prime is 4220311163. The reversal of 4220311144 is 4411130224.

It is a happy number.

It is a super-2 number, since 2×4220311144² = 35622052304341177472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37681294 + ... + 37681405.

It is an arithmetic number, because the mean of its divisors is an integer number (565220250).

Almost surely, 2^4220311144 is an apocalyptic number.

It is an amenable number.

4220311144 is an abundant number, since it is smaller than the sum of its proper divisors (4823212856).

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

4220311144 is a wasteful number, since it uses less digits than its factorization.

4220311144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75362712 (or 75362708 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4220311144 is about 64963.9218643702. The cubic root of 4220311144 is about 1616.0253045167.

Adding to 4220311144 its reverse (4411130224), we get a palindrome (8631441368).

The spelling of 4220311144 in words is "four billion, two hundred twenty million, three hundred eleven thousand, one hundred forty-four".