222210212 has 12 divisors (see below), whose sum is σ = 444420480. Its totient is φ = 95232936.

The previous prime is 222210211. The next prime is 222210223. The reversal of 222210212 is 212012222.

222210212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

222210212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (222210211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968012 + ... + 3968067.

It is an arithmetic number, because the mean of its divisors is an integer number (37035040).

Almost surely, 2^222210212 is an apocalyptic number.

It is an amenable number.

222210212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222210212 is a wasteful number, since it uses less digits than its factorization.

222210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936090 (or 7936088 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 222210212 is about 14906.7170094558. The cubic root of 222210212 is about 605.6959520697.

Adding to 222210212 its reverse (212012222), we get a palindrome (434222434).

The spelling of 222210212 in words is "two hundred twenty-two million, two hundred ten thousand, two hundred twelve".