222111202210 has 8 divisors (see below), whose sum is σ = 399800163996. Its totient is φ = 88844480880.

The previous prime is 222111202207. The next prime is 222111202231. The reversal of 222111202210 is 12202111222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 216389641329 + 5721560881 = 465177^2 + 75641^2 .

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

It is a super-2 number, since 2×222111202210² (a number of 23 digits) contains 22 as substring.

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, 11105560101 + ... + 11105560120.

Almost surely, 2^222111202210 is an apocalyptic number.

222111202210 is a deficient number, since it is larger than the sum of its proper divisors (177688961786).

222111202210 is a wasteful number, since it uses less digits than its factorization.

222111202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211120228.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222111202210 its reverse (12202111222), we get a palindrome (234313313432).

The spelling of 222111202210 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred two thousand, two hundred ten".