43221212234 has 4 divisors (see below), whose sum is σ = 64831818354. Its totient is φ = 21610606116.

The previous prime is 43221212213. The next prime is 43221212239.

43221212234 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41981961025 + 1239251209 = 204895^2 + 35203^2 .

It is not an unprimeable number, because it can be changed into a prime (43221212239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10805303057 + ... + 10805303060.

Almost surely, 2^43221212234 is an apocalyptic number.

43221212234 is a deficient number, since it is larger than the sum of its proper divisors (21610606120).

43221212234 is a wasteful number, since it uses less digits than its factorization.

43221212234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21610606119.

The product of its digits is 4608, while the sum is 26.

The spelling of 43221212234 in words is "forty-three billion, two hundred twenty-one million, two hundred twelve thousand, two hundred thirty-four".