3831999222 has 16 divisors (see below), whose sum is σ = 7670469312. Its totient is φ = 1276254600.

The previous prime is 3831999221. The next prime is 3831999229. The reversal of 3831999222 is 2229991383.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3831999221) 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 7 ways as a sum of consecutive naturals, for example, 261904 + ... + 276147.

It is an arithmetic number, because the mean of its divisors is an integer number (479404332).

Almost surely, 2^3831999222 is an apocalyptic number.

3831999222 is an abundant number, since it is smaller than the sum of its proper divisors (3838470090).

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

3831999222 is a wasteful number, since it uses less digits than its factorization.

3831999222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539243.

The product of its digits is 419904, while the sum is 48.

The square root of 3831999222 is about 61903.1438781586. The cubic root of 3831999222 is about 1564.8587312729.

The spelling of 3831999222 in words is "three billion, eight hundred thirty-one million, nine hundred ninety-nine thousand, two hundred twenty-two".