210212220222 has 64 divisors (see below), whose sum is σ = 482327838720. Its totient is φ = 67793436000.

The previous prime is 210212220199. The next prime is 210212220263. The reversal of 210212220222 is 222022212012.

210212220222 is a `hidden beast` number, since 2 + 10 + 212 + 220 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210212220195 and 210212220204.

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, 7859472 + ... + 7886172.

It is an arithmetic number, because the mean of its divisors is an integer number (7536372480).

Almost surely, 2^210212220222 is an apocalyptic number.

210212220222 is an abundant number, since it is smaller than the sum of its proper divisors (272115618498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210212220222 is a wasteful number, since it uses less digits than its factorization.

210212220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31446 (or 31440 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210212220222 its reverse (222022212012), we get a palindrome (432234432234).

The spelling of 210212220222 in words is "two hundred ten billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-two".