2232230221 has 4 divisors (see below), whose sum is σ = 2403940252. Its totient is φ = 2060520192.

The previous prime is 2232230213. The next prime is 2232230269. The reversal of 2232230221 is 1220322322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 985080996 + 1247149225 = 31386^2 + 35315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232230221 - 2³ = 2232230213 is a prime.

It is a super-3 number, since 3×2232230221³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232230321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85854996 + ... + 85855021.

It is an arithmetic number, because the mean of its divisors is an integer number (600985063).

Almost surely, 2^2232230221 is an apocalyptic number.

It is an amenable number.

2232230221 is a deficient number, since it is larger than the sum of its proper divisors (171710031).

2232230221 is a wasteful number, since it uses less digits than its factorization.

2232230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171710030.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2232230221 is about 47246.4836892652. The cubic root of 2232230221 is about 1306.9119464043.

Adding to 2232230221 its reverse (1220322322), we get a palindrome (3452552543).

The spelling of 2232230221 in words is "two billion, two hundred thirty-two million, two hundred thirty thousand, two hundred twenty-one".