2212321122 has 24 divisors (see below), whose sum is σ = 5229123120. Its totient is φ = 670400280.

The previous prime is 2212321109. The next prime is 2212321151. The reversal of 2212321122 is 2211232122.

2212321122 is a `hidden beast` number, since 221 + 2 + 321 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2212321095 and 2212321104.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5586472 + ... + 5586867.

It is an arithmetic number, because the mean of its divisors is an integer number (217880130).

Almost surely, 2^2212321122 is an apocalyptic number.

2212321122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212321122 is an abundant number, since it is smaller than the sum of its proper divisors (3016801998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212321122 is a wasteful number, since it uses less digits than its factorization.

2212321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173358 (or 11173355 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2212321122 is about 47035.3178154459. The cubic root of 2212321122 is about 1303.0149200391.

Adding to 2212321122 its reverse (2211232122), we get a palindrome (4423553244).

The spelling of 2212321122 in words is "two billion, two hundred twelve million, three hundred twenty-one thousand, one hundred twenty-two".