43221231222 has 32 divisors (see below), whose sum is σ = 98567878752. Its totient is φ = 12516555264.

The previous prime is 43221231181. The next prime is 43221231223. The reversal of 43221231222 is 22213212234.

It is a super-2 number, since 2×43221231222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43221231192 and 43221231201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43221231223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16296273 + ... + 16298924.

It is an arithmetic number, because the mean of its divisors is an integer number (3080246211).

Almost surely, 2^43221231222 is an apocalyptic number.

43221231222 is an abundant number, since it is smaller than the sum of its proper divisors (55346647530).

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

43221231222 is a wasteful number, since it uses less digits than its factorization.

43221231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32595232.

The product of its digits is 2304, while the sum is 24.

Adding to 43221231222 its reverse (22213212234), we get a palindrome (65434443456).

The spelling of 43221231222 in words is "forty-three billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred twenty-two".