21222052334230 has 32 divisors (see below), whose sum is σ = 41921929002240. Its totient is φ = 7670899693920.

The previous prime is 21222052334159. The next prime is 21222052334311. The reversal of 21222052334230 is 3243325022212.

It is a junction number, because it is equal to n+sod(n) for n = 21222052334192 and 21222052334201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577609620 + ... + 577646359.

It is an arithmetic number, because the mean of its divisors is an integer number (1310060281320).

Almost surely, 2^{21222052334230} is an apocalyptic number.

21222052334230 is a deficient number, since it is larger than the sum of its proper divisors (20699876668010).

21222052334230 is a wasteful number, since it uses less digits than its factorization.

21222052334230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155256164.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 21222052334230 its reverse (3243325022212), we get a palindrome (24465377356442).

The spelling of 21222052334230 in words is "twenty-one trillion, two hundred twenty-two billion, fifty-two million, three hundred thirty-four thousand, two hundred thirty".