222222210222 has 8 divisors (see below), whose sum is σ = 444444420456. Its totient is φ = 74074070072.

The previous prime is 222222210193. The next prime is 222222210227. The reversal of 222222210222 is 222012222222.

It is a sphenic number, since it is the product of 3 distinct primes.

222222210222 is an admirable number.

It is a super-2 number, since 2×222222210222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222210227) 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, 18518517513 + ... + 18518517524.

It is an arithmetic number, because the mean of its divisors is an integer number (55555552557).

Almost surely, 2^222222210222 is an apocalyptic number.

222222210222 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.

222222210222 is a wasteful number, since it uses less digits than its factorization.

222222210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037035042.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222222210222 its reverse (222012222222), we get a palindrome (444234432444).

The spelling of 222222210222 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred ten thousand, two hundred twenty-two".