21222300230 has 32 divisors (see below), whose sum is σ = 41507804160. Its totient is φ = 7782708960.

The previous prime is 21222300181. The next prime is 21222300233. The reversal of 21222300230 is 3200322212.

It is a junction number, because it is equal to n+sod(n) for n = 21222300199 and 21222300208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222300233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1795664 + ... + 1807443.

It is an arithmetic number, because the mean of its divisors is an integer number (1297118880).

Almost surely, 2^21222300230 is an apocalyptic number.

21222300230 is a deficient number, since it is larger than the sum of its proper divisors (20285503930).

21222300230 is a wasteful number, since it uses less digits than its factorization.

21222300230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603164.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21222300230 its reverse (3200322212), we get a palindrome (24422622442).

The spelling of 21222300230 in words is "twenty-one billion, two hundred twenty-two million, three hundred thousand, two hundred thirty".