2212220311 has 8 divisors (see below), whose sum is σ = 2615433120. Its totient is φ = 1830802848.

The previous prime is 2212220303. The next prime is 2212220317. The reversal of 2212220311 is 1130222122.

It is a happy number.

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

It is not a de Polignac number, because 2212220311 - 2³ = 2212220303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212220317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5448616 + ... + 5449021.

It is an arithmetic number, because the mean of its divisors is an integer number (326929140).

Almost surely, 2^2212220311 is an apocalyptic number.

2212220311 is a deficient number, since it is larger than the sum of its proper divisors (403212809).

2212220311 is a wasteful number, since it uses less digits than its factorization.

2212220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897673.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2212220311 is about 47034.2461510759. The cubic root of 2212220311 is about 1302.9951278201.

Adding to 2212220311 its reverse (1130222122), we get a palindrome (3342442433).

The spelling of 2212220311 in words is "two billion, two hundred twelve million, two hundred twenty thousand, three hundred eleven".