21222203303230 has 64 divisors (see below), whose sum is σ = 41934089940480. Its totient is φ = 7698044620800.

The previous prime is 21222203303221. The next prime is 21222203303243. The reversal of 21222203303230 is 3230330222212.

It is a junction number, because it is equal to n+sod(n) for n = 21222203303195 and 21222203303204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7585711 + ... + 9999370.

It is an arithmetic number, because the mean of its divisors is an integer number (655220155320).

Almost surely, 2^{21222203303230} is an apocalyptic number.

21222203303230 is a deficient number, since it is larger than the sum of its proper divisors (20711886637250).

21222203303230 is a wasteful number, since it uses less digits than its factorization.

21222203303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17585365.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 21222203303230 its reverse (3230330222212), we get a palindrome (24452533525442).

The spelling of 21222203303230 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred three million, three hundred three thousand, two hundred thirty".