2232213221 has 8 divisors (see below), whose sum is σ = 2576360064. Its totient is φ = 1894381200.

The previous prime is 2232213209. The next prime is 2232213223. The reversal of 2232213221 is 1223122322.

It is a happy number.

2232213221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2232213221 - 2¹⁰ = 2232212197 is a prime.

It is a super-3 number, since 3×2232213221³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2232213193 and 2232213202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232213223) 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, 1577945 + ... + 1579358.

It is an arithmetic number, because the mean of its divisors is an integer number (322045008).

Almost surely, 2^2232213221 is an apocalyptic number.

It is an amenable number.

2232213221 is a deficient number, since it is larger than the sum of its proper divisors (344146843).

2232213221 is a wasteful number, since it uses less digits than its factorization.

2232213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157411.

The product of its digits is 576, while the sum is 20.

The square root of 2232213221 is about 47246.3037813542. The cubic root of 2232213221 is about 1306.9086287119.

Adding to 2232213221 its reverse (1223122322), we get a palindrome (3455335543).

The spelling of 2232213221 in words is "two billion, two hundred thirty-two million, two hundred thirteen thousand, two hundred twenty-one".