2330221221 has 12 divisors (see below), whose sum is σ = 3398554848. Its totient is φ = 1538397864.

The previous prime is 2330221177. The next prime is 2330221249. The reversal of 2330221221 is 1221220332.

It is not a de Polignac number, because 2330221221 - 2⁹ = 2330220709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2330221194 and 2330221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330228221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1255935 + ... + 1257788.

It is an arithmetic number, because the mean of its divisors is an integer number (283212904).

Almost surely, 2^2330221221 is an apocalyptic number.

It is an amenable number.

2330221221 is a deficient number, since it is larger than the sum of its proper divisors (1068333627).

2330221221 is a wasteful number, since it uses less digits than its factorization.

2330221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513832 (or 2513829 counting only the distinct ones).

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

The square root of 2330221221 is about 48272.3649824618. The cubic root of 2330221221 is about 1325.7624606063.

Adding to 2330221221 its reverse (1221220332), we get a palindrome (3551441553).

The spelling of 2330221221 in words is "two billion, three hundred thirty million, two hundred twenty-one thousand, two hundred twenty-one".