6415222143 has 16 divisors (see below), whose sum is σ = 9399350016. Its totient is φ = 3859631040.

The previous prime is 6415222081. The next prime is 6415222189. The reversal of 6415222143 is 3412225146.

It is not a de Polignac number, because 6415222143 - 2⁸ = 6415221887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6415222143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415222193) 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, 704971 + ... + 714012.

It is an arithmetic number, because the mean of its divisors is an integer number (587459376).

Almost surely, 2^6415222143 is an apocalyptic number.

6415222143 is a deficient number, since it is larger than the sum of its proper divisors (2984127873).

6415222143 is a wasteful number, since it uses less digits than its factorization.

6415222143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419134.

The product of its digits is 11520, while the sum is 30.

The square root of 6415222143 is about 80095.0818902135. The cubic root of 6415222143 is about 1858.1063456584.

Adding to 6415222143 its reverse (3412225146), we get a palindrome (9827447289).

The spelling of 6415222143 in words is "six billion, four hundred fifteen million, two hundred twenty-two thousand, one hundred forty-three".