2213442221 has 8 divisors (see below), whose sum is σ = 2342959200. Its totient is φ = 2085227280.

The previous prime is 2213442199. The next prime is 2213442227. The reversal of 2213442221 is 1222443122.

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

It is a cyclic number.

It is not a de Polignac number, because 2213442221 - 2²² = 2209247917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213442227) 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, 322010 + ... + 328811.

It is an arithmetic number, because the mean of its divisors is an integer number (292869900).

Almost surely, 2^2213442221 is an apocalyptic number.

It is an amenable number.

2213442221 is a deficient number, since it is larger than the sum of its proper divisors (129516979).

2213442221 is a wasteful number, since it uses less digits than its factorization.

2213442221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651019.

The product of its digits is 1536, while the sum is 23.

The square root of 2213442221 is about 47047.2339356949. The cubic root of 2213442221 is about 1303.2349848423.

Adding to 2213442221 its reverse (1222443122), we get a palindrome (3435885343).

Subtracting from 2213442221 its reverse (1222443122), we obtain a palindrome (990999099).

The spelling of 2213442221 in words is "two billion, two hundred thirteen million, four hundred forty-two thousand, two hundred twenty-one".