34221231 has 16 divisors (see below), whose sum is σ = 55307520. Its totient is φ = 20739960.

The previous prime is 34221203. The next prime is 34221251. The reversal of 34221231 is 13212243.

It is not a de Polignac number, because 34221231 - 2⁶ = 34221167 is a prime.

It is a super-2 number, since 2×34221231² = 2342185302310722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34221251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57315 + ... + 57908.

It is an arithmetic number, because the mean of its divisors is an integer number (3456720).

Almost surely, 2^34221231 is an apocalyptic number.

34221231 is a deficient number, since it is larger than the sum of its proper divisors (21086289).

34221231 is a wasteful number, since it uses less digits than its factorization.

34221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115243 (or 115237 counting only the distinct ones).

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

The square root of 34221231 is about 5849.8915374561. The cubic root of 34221231 is about 324.6623111814.

Adding to 34221231 its reverse (13212243), we get a palindrome (47433474).

It can be divided in two parts, 342212 and 31, that added together give a palindrome (342243).

The spelling of 34221231 in words is "thirty-four million, two hundred twenty-one thousand, two hundred thirty-one".