5387431891222 has 32 divisors (see below), whose sum is σ = 8233180899840. Its totient is φ = 2643535984320.

The previous prime is 5387431891159. The next prime is 5387431891229. The reversal of 5387431891222 is 2221981347835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387431891229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21432447 + ... + 21682357.

It is an arithmetic number, because the mean of its divisors is an integer number (257286903120).

Almost surely, 2^{5387431891222} is an apocalyptic number.

5387431891222 is a deficient number, since it is larger than the sum of its proper divisors (2845749008618).

5387431891222 is a wasteful number, since it uses less digits than its factorization.

5387431891222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250908.

The product of its digits is 5806080, while the sum is 55.

The spelling of 5387431891222 in words is "five trillion, three hundred eighty-seven billion, four hundred thirty-one million, eight hundred ninety-one thousand, two hundred twenty-two".