2220013221 has 8 divisors (see below), whose sum is σ = 3134136384. Its totient is φ = 1392949440.

The previous prime is 2220013163. The next prime is 2220013253. The reversal of 2220013221 is 1223100222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220013221 - 2⁷ = 2220013093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220013421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21764785 + ... + 21764886.

It is an arithmetic number, because the mean of its divisors is an integer number (391767048).

Almost surely, 2^2220013221 is an apocalyptic number.

It is an amenable number.

2220013221 is a deficient number, since it is larger than the sum of its proper divisors (914123163).

2220013221 is a wasteful number, since it uses less digits than its factorization.

2220013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43529691.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2220013221 is about 47117.0162573990. The cubic root of 2220013221 is about 1304.5233396653.

Adding to 2220013221 its reverse (1223100222), we get a palindrome (3443113443).

The spelling of 2220013221 in words is "two billion, two hundred twenty million, thirteen thousand, two hundred twenty-one".