2220213321 has 10 divisors (see below), whose sum is σ = 3316615082. Its totient is φ = 1480142160.

The previous prime is 2220213287. The next prime is 2220213323. The reversal of 2220213321 is 1233120222.

It can be written as a sum of positive squares in only one way, i.e., 2214737721 + 5475600 = 47061^2 + 2340^2 .

It is not a de Polignac number, because 2220213321 - 2⁹ = 2220212809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220213294 and 2220213303.

It is not an unprimeable number, because it can be changed into a prime (2220213323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13704940 + ... + 13705101.

Almost surely, 2^2220213321 is an apocalyptic number.

It is an amenable number.

2220213321 is a deficient number, since it is larger than the sum of its proper divisors (1096401761).

2220213321 is an equidigital number, since it uses as much as digits as its factorization.

2220213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27410053 (or 27410044 counting only the distinct ones).

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

The square root of 2220213321 is about 47119.1396462202. The cubic root of 2220213321 is about 1304.5625327168.

Adding to 2220213321 its reverse (1233120222), we get a palindrome (3453333543).

The spelling of 2220213321 in words is "two billion, two hundred twenty million, two hundred thirteen thousand, three hundred twenty-one".