2122330221 has 64 divisors (see below), whose sum is σ = 3617187840. Its totient is φ = 1217272320.

The previous prime is 2122330211. The next prime is 2122330237. The reversal of 2122330221 is 1220332212.

2122330221 is a `hidden beast` number, since 212 + 233 + 0 + 221 = 666.

It is not a de Polignac number, because 2122330221 - 2⁹ = 2122329709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2122330194 and 2122330203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122330211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 661006 + ... + 664208.

It is an arithmetic number, because the mean of its divisors is an integer number (56518560).

Almost surely, 2^2122330221 is an apocalyptic number.

It is an amenable number.

2122330221 is a deficient number, since it is larger than the sum of its proper divisors (1494857619).

2122330221 is a wasteful number, since it uses less digits than its factorization.

2122330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343 (or 3337 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2122330221 is about 46068.7553663001. The cubic root of 2122330221 is about 1285.1021576441.

Adding to 2122330221 its reverse (1220332212), we get a palindrome (3342662433).

The spelling of 2122330221 in words is "two billion, one hundred twenty-two million, three hundred thirty thousand, two hundred twenty-one".