20211222230 has 16 divisors (see below), whose sum is σ = 36384543360. Its totient is φ = 8083523712.

The previous prime is 20211222217. The next prime is 20211222233. The reversal of 20211222230 is 3222211202.

It is a junction number, because it is equal to n+sod(n) for n = 20211222199 and 20211222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211222233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29414 + ... + 203193.

It is an arithmetic number, because the mean of its divisors is an integer number (2274033960).

Almost surely, 2^20211222230 is an apocalyptic number.

20211222230 is a deficient number, since it is larger than the sum of its proper divisors (16173321130).

20211222230 is a wasteful number, since it uses less digits than its factorization.

20211222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241303.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20211222230 its reverse (3222211202), we get a palindrome (23433433432).

The spelling of 20211222230 in words is "twenty billion, two hundred eleven million, two hundred twenty-two thousand, two hundred thirty".