222010211 has 4 divisors (see below), whose sum is σ = 222054624. Its totient is φ = 221965800.

The previous prime is 222010183. The next prime is 222010213. The reversal of 222010211 is 112010222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222010211 - 2⁶ = 222010147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222010192 and 222010201.

It is not an unprimeable number, because it can be changed into a prime (222010213) 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, 13595 + ... + 25076.

It is an arithmetic number, because the mean of its divisors is an integer number (55513656).

Almost surely, 2^222010211 is an apocalyptic number.

222010211 is a deficient number, since it is larger than the sum of its proper divisors (44413).

222010211 is an equidigital number, since it uses as much as digits as its factorization.

222010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44412.

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

The square root of 222010211 is about 14900.0070805352. The cubic root of 222010211 is about 605.5141780080.

Adding to 222010211 its sum of digits (11), we get a palindrome (222010222).

Adding to 222010211 its reverse (112010222), we get a palindrome (334020433).

The spelling of 222010211 in words is "two hundred twenty-two million, ten thousand, two hundred eleven".