222221102210 has 16 divisors (see below), whose sum is σ = 400620076416. Its totient is φ = 88750198128.

The previous prime is 222221102171. The next prime is 222221102239. The reversal of 222221102210 is 12201122222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17273594 + ... + 17286453.

It is an arithmetic number, because the mean of its divisors is an integer number (25038754776).

Almost surely, 2^222221102210 is an apocalyptic number.

222221102210 is a deficient number, since it is larger than the sum of its proper divisors (178398974206).

222221102210 is a wasteful number, since it uses less digits than its factorization.

222221102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34560697.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222221102210 its reverse (12201122222), we get a palindrome (234422224432).

The spelling of 222221102210 in words is "two hundred twenty-two billion, two hundred twenty-one million, one hundred two thousand, two hundred ten".