222220102210 has 8 divisors (see below), whose sum is σ = 399996183996. Its totient is φ = 88888040880.

The previous prime is 222220102193. The next prime is 222220102229. The reversal of 222220102210 is 12201022222.

It can be written as a sum of positive squares in 2 ways, for example, as 220682913361 + 1537188849 = 469769^2 + 39207^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11111005101 + ... + 11111005120.

Almost surely, 2^222220102210 is an apocalyptic number.

222220102210 is a deficient number, since it is larger than the sum of its proper divisors (177776081786).

222220102210 is a wasteful number, since it uses less digits than its factorization.

222220102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22222010228.

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

Adding to 222220102210 its reverse (12201022222), we get a palindrome (234421124432).

The spelling of 222220102210 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred two thousand, two hundred ten".