4220511143 has 4 divisors (see below), whose sum is σ = 4366046040. Its totient is φ = 4074976248.

The previous prime is 4220511131. The next prime is 4220511181. The reversal of 4220511143 is 3411150224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4220511143 - 2¹² = 4220507047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220511343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72767405 + ... + 72767462.

It is an arithmetic number, because the mean of its divisors is an integer number (1091511510).

Almost surely, 2^4220511143 is an apocalyptic number.

4220511143 is a deficient number, since it is larger than the sum of its proper divisors (145534897).

4220511143 is a wasteful number, since it uses less digits than its factorization.

4220511143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145534896.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4220511143 is about 64965.4611543703. The cubic root of 4220511143 is about 1616.0508317293.

Adding to 4220511143 its reverse (3411150224), we get a palindrome (7631661367).

The spelling of 4220511143 in words is "four billion, two hundred twenty million, five hundred eleven thousand, one hundred forty-three".