21643341222322 has 8 divisors (see below), whose sum is σ = 32555443622400. Its totient is φ = 10791526681524.

The previous prime is 21643341222311. The next prime is 21643341222329. The reversal of 21643341222322 is 22322214334612.

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 (21643341222329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15071963922 + ... + 15071965357.

It is an arithmetic number, because the mean of its divisors is an integer number (4069430452800).

Almost surely, 2^{21643341222322} is an apocalyptic number.

21643341222322 is a deficient number, since it is larger than the sum of its proper divisors (10912102400078).

21643341222322 is a wasteful number, since it uses less digits than its factorization.

21643341222322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30143929640.

The product of its digits is 165888, while the sum is 37.

Adding to 21643341222322 its reverse (22322214334612), we get a palindrome (43965555556934).

The spelling of 21643341222322 in words is "twenty-one trillion, six hundred forty-three billion, three hundred forty-one million, two hundred twenty-two thousand, three hundred twenty-two".