43131444222 has 16 divisors (see below), whose sum is σ = 86639585040. Its totient is φ = 14314365312.

The previous prime is 43131444203. The next prime is 43131444287. The reversal of 43131444222 is 22244413134.

It is a self number, because there is not a number n which added to its sum of digits gives 43131444222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15694203 + ... + 15696950.

It is an arithmetic number, because the mean of its divisors is an integer number (5414974065).

Almost surely, 2^43131444222 is an apocalyptic number.

43131444222 is an abundant number, since it is smaller than the sum of its proper divisors (43508140818).

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

43131444222 is a wasteful number, since it uses less digits than its factorization.

43131444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31391387.

The product of its digits is 18432, while the sum is 30.

Adding to 43131444222 its reverse (22244413134), we get a palindrome (65375857356).

The spelling of 43131444222 in words is "forty-three billion, one hundred thirty-one million, four hundred forty-four thousand, two hundred twenty-two".