20212210222 has 48 divisors (see below), whose sum is σ = 32837640192. Its totient is φ = 9324985680.

The previous prime is 20212210201. The next prime is 20212210223. The reversal of 20212210222 is 22201221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212210196 and 20212210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212210223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7565947 + ... + 7568617.

It is an arithmetic number, because the mean of its divisors is an integer number (684117504).

Almost surely, 2^20212210222 is an apocalyptic number.

20212210222 is a deficient number, since it is larger than the sum of its proper divisors (12625429970).

20212210222 is a wasteful number, since it uses less digits than its factorization.

20212210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20212210222 its reverse (22201221202), we get a palindrome (42413431424).

The spelling of 20212210222 in words is "twenty billion, two hundred twelve million, two hundred ten thousand, two hundred twenty-two".