21443434322 has 8 divisors (see below), whose sum is σ = 32165857776. Its totient is φ = 10721481732.

The previous prime is 21443434307. The next prime is 21443434339. The reversal of 21443434322 is 22343434412.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36593 + ... + 210299.

It is an arithmetic number, because the mean of its divisors is an integer number (4020732222).

Almost surely, 2^21443434322 is an apocalyptic number.

21443434322 is a deficient number, since it is larger than the sum of its proper divisors (10722423454).

21443434322 is a wasteful number, since it uses less digits than its factorization.

21443434322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235432.

The product of its digits is 55296, while the sum is 32.

Adding to 21443434322 its reverse (22343434412), we get a palindrome (43786868734).

The spelling of 21443434322 in words is "twenty-one billion, four hundred forty-three million, four hundred thirty-four thousand, three hundred twenty-two".