2232221231 has 4 divisors (see below), whose sum is σ = 2329274352. Its totient is φ = 2135168112.

The previous prime is 2232221221. The next prime is 2232221237. The reversal of 2232221231 is 1321222322.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2232221231 is a prime.

It is a super-3 number, since 3×2232221231³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232221237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48526526 + ... + 48526571.

It is an arithmetic number, because the mean of its divisors is an integer number (582318588).

Almost surely, 2^2232221231 is an apocalyptic number.

2232221231 is a deficient number, since it is larger than the sum of its proper divisors (97053121).

2232221231 is an equidigital number, since it uses as much as digits as its factorization.

2232221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97053120.

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

The square root of 2232221231 is about 47246.3885498140. The cubic root of 2232221231 is about 1306.9101919326.

Adding to 2232221231 its reverse (1321222322), we get a palindrome (3553443553).

The spelling of 2232221231 in words is "two billion, two hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-one".