43209872222 has 48 divisors (see below), whose sum is σ = 72396858240. Its totient is φ = 19323419280.

The previous prime is 43209872203. The next prime is 43209872239. The reversal of 43209872222 is 22227890234.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43209872222.

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 23 ways as a sum of consecutive naturals, for example, 21190679 + ... + 21192717.

It is an arithmetic number, because the mean of its divisors is an integer number (1508267880).

Almost surely, 2^43209872222 is an apocalyptic number.

43209872222 is a deficient number, since it is larger than the sum of its proper divisors (29186986018).

43209872222 is a wasteful number, since it uses less digits than its factorization.

43209872222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3426 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 43209872222 in words is "forty-three billion, two hundred nine million, eight hundred seventy-two thousand, two hundred twenty-two".