222001222210 has 8 divisors (see below), whose sum is σ = 399602199996. Its totient is φ = 88800488880.

The previous prime is 222001222189. The next prime is 222001222213. The reversal of 222001222210 is 12222100222.

It can be written as a sum of positive squares in 2 ways, for example, as 214796098521 + 7205123689 = 463461^2 + 84883^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222001222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11100061101 + ... + 11100061120.

Almost surely, 2^222001222210 is an apocalyptic number.

222001222210 is a deficient number, since it is larger than the sum of its proper divisors (177600977786).

222001222210 is a wasteful number, since it uses less digits than its factorization.

222001222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22200122228.

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

Adding to 222001222210 its reverse (12222100222), we get a palindrome (234223322432).

The spelling of 222001222210 in words is "two hundred twenty-two billion, one million, two hundred twenty-two thousand, two hundred ten".