2213032221 has 12 divisors (see below), whose sum is σ = 3199716000. Its totient is φ = 1473917640.

The previous prime is 2213032219. The next prime is 2213032229. The reversal of 2213032221 is 1222303122.

It is not a de Polignac number, because 2213032221 - 2¹ = 2213032219 is a prime.

It is a super-2 number, since 2×2213032221² = 9795023222368385682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2213032194 and 2213032203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213032229) 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, 109971 + ... + 128528.

It is an arithmetic number, because the mean of its divisors is an integer number (266643000).

Almost surely, 2^2213032221 is an apocalyptic number.

It is an amenable number.

2213032221 is a deficient number, since it is larger than the sum of its proper divisors (986683779).

2213032221 is a wasteful number, since it uses less digits than its factorization.

2213032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239536 (or 239533 counting only the distinct ones).

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

The square root of 2213032221 is about 47042.8764107808. The cubic root of 2213032221 is about 1303.1545129972.

Adding to 2213032221 its reverse (1222303122), we get a palindrome (3435335343).

The spelling of 2213032221 in words is "two billion, two hundred thirteen million, thirty-two thousand, two hundred twenty-one".