6541431222 has 8 divisors (see below), whose sum is σ = 13082862456. Its totient is φ = 2180477072.

The previous prime is 6541431217. The next prime is 6541431269. The reversal of 6541431222 is 2221341456.

It is a sphenic number, since it is the product of 3 distinct primes.

6541431222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 6541431222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545119263 + ... + 545119274.

It is an arithmetic number, because the mean of its divisors is an integer number (1635357807).

Almost surely, 2^6541431222 is an apocalyptic number.

6541431222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6541431222 is a wasteful number, since it uses less digits than its factorization.

6541431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090238542.

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

The square root of 6541431222 is about 80879.1148690439. The cubic root of 6541431222 is about 1870.2123756242.

Adding to 6541431222 its reverse (2221341456), we get a palindrome (8762772678).

The spelling of 6541431222 in words is "six billion, five hundred forty-one million, four hundred thirty-one thousand, two hundred twenty-two".