43220213434 has 8 divisors (see below), whose sum is σ = 64848434868. Its totient is φ = 21604068480.

The previous prime is 43220213431. The next prime is 43220213441. The reversal of 43220213434 is 43431202234.

It can be written as a sum of positive squares in 2 ways, for example, as 33106894209 + 10113319225 = 181953^2 + 100565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (43220213431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010167 + ... + 3024490.

Almost surely, 2^43220213434 is an apocalyptic number.

43220213434 is a deficient number, since it is larger than the sum of its proper divisors (21628221434).

43220213434 is a wasteful number, since it uses less digits than its factorization.

43220213434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038240.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 43220213434 its reverse (43431202234), we get a palindrome (86651415668).

The spelling of 43220213434 in words is "forty-three billion, two hundred twenty million, two hundred thirteen thousand, four hundred thirty-four".