2322112221 has 72 divisors (see below), whose sum is σ = 4047878016. Its totient is φ = 1271013120.

The previous prime is 2322112211. The next prime is 2322112231. The reversal of 2322112221 is 1222112232.

2322112221 is a `hidden beast` number, since 232 + 211 + 2 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (2322112211) and next prime (2322112231).

It is not a de Polignac number, because 2322112221 - 2¹⁷ = 2321981149 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2322112194 and 2322112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322112211) 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 71 ways as a sum of consecutive naturals, for example, 784881 + ... + 787833.

It is an arithmetic number, because the mean of its divisors is an integer number (56220528).

Almost surely, 2^2322112221 is an apocalyptic number.

It is an amenable number.

2322112221 is a deficient number, since it is larger than the sum of its proper divisors (1725765795).

2322112221 is a wasteful number, since it uses less digits than its factorization.

2322112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043 (or 3027 counting only the distinct ones).

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

The square root of 2322112221 is about 48188.2996276067. The cubic root of 2322112221 is about 1324.2228210354. Note that the first 3 decimals are identical.

Adding to 2322112221 its reverse (1222112232), we get a palindrome (3544224453).

It can be divided in two parts, 232211 and 2221, that added together give a palindrome (234432).

The spelling of 2322112221 in words is "two billion, three hundred twenty-two million, one hundred twelve thousand, two hundred twenty-one".