232322221 has 8 divisors (see below), whose sum is σ = 250021944. Its totient is φ = 215070720.

The previous prime is 232322213. The next prime is 232322231. The reversal of 232322221 is 122223232.

It can be written as a sum of positive squares in 4 ways, for example, as 3132900 + 229189321 = 1770^2 + 15139^2 .

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 232322221 - 2³ = 232322213 is a prime.

It is a super-2 number, since 2×232322221² = 107947228740745682, which contains 22 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 (232322231) 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 7 ways as a sum of consecutive naturals, for example, 110980 + ... + 113053.

It is an arithmetic number, because the mean of its divisors is an integer number (31252743).

Almost surely, 2^232322221 is an apocalyptic number.

It is an amenable number.

232322221 is a deficient number, since it is larger than the sum of its proper divisors (17699723).

232322221 is a wasteful number, since it uses less digits than its factorization.

232322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224111.

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

The square root of 232322221 is about 15242.1199640995. The cubic root of 232322221 is about 614.7477062400.

Adding to 232322221 its reverse (122223232), we get a palindrome (354545453).

The spelling of 232322221 in words is "two hundred thirty-two million, three hundred twenty-two thousand, two hundred twenty-one".