222101210 has 8 divisors (see below), whose sum is σ = 399782196. Its totient is φ = 88840480.

The previous prime is 222101207. The next prime is 222101233. The reversal of 222101210 is 12101222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 221087161 + 1014049 = 14869^2 + 1007^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 222101191 and 222101200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11105051 + ... + 11105070.

Almost surely, 2^222101210 is an apocalyptic number.

222101210 is a deficient number, since it is larger than the sum of its proper divisors (177680986).

222101210 is a wasteful number, since it uses less digits than its factorization.

222101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22210128.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 222101210 is about 14903.0604239532. The cubic root of 222101210 is about 605.5968974135.

Adding to 222101210 its reverse (12101222), we get a palindrome (234202432).

The spelling of 222101210 in words is "two hundred twenty-two million, one hundred one thousand, two hundred ten".