21222230232322 has 16 divisors (see below), whose sum is σ = 36396560238912. Its totient is φ = 9091342996560.

The previous prime is 21222230232277. The next prime is 21222230232353. The reversal of 21222230232322 is 22323203222212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324843804 + ... + 324909127.

It is an arithmetic number, because the mean of its divisors is an integer number (2274785014932).

Almost surely, 2^{21222230232322} is an apocalyptic number.

21222230232322 is a deficient number, since it is larger than the sum of its proper divisors (15174330006590).

21222230232322 is a wasteful number, since it uses less digits than its factorization.

21222230232322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649755273.

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

Adding to 21222230232322 its reverse (22323203222212), we get a palindrome (43545433454534).

The spelling of 21222230232322 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thirty million, two hundred thirty-two thousand, three hundred twenty-two".