2212122211 has 8 divisors (see below), whose sum is σ = 2459133824. Its totient is φ = 1976088960.

The previous prime is 2212122197. The next prime is 2212122251. The reversal of 2212122211 is 1122212122.

It is a happy number.

2212122211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2212122211 - 2¹⁵ = 2212089443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212122251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744166 + ... + 2744971.

It is an arithmetic number, because the mean of its divisors is an integer number (307391728).

Almost surely, 2^2212122211 is an apocalyptic number.

2212122211 is a deficient number, since it is larger than the sum of its proper divisors (247011613).

2212122211 is a wasteful number, since it uses less digits than its factorization.

2212122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489181.

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

The square root of 2212122211 is about 47033.2032823621. The cubic root of 2212122211 is about 1302.9758672743.

Adding to 2212122211 its reverse (1122212122), we get a palindrome (3334334333).

The spelling of 2212122211 in words is "two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred eleven".