3231224 has 32 divisors (see below), whose sum is σ = 6700320. Its totient is φ = 1453056.

The previous prime is 3231211. The next prime is 3231227. The reversal of 3231224 is 4221323.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231227) 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, 2612 + ... + 3644.

It is an arithmetic number, because the mean of its divisors is an integer number (209385).

Almost surely, 2^3231224 is an apocalyptic number.

3231224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3231224 is an abundant number, since it is smaller than the sum of its proper divisors (3469096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3231224 is a wasteful number, since it uses less digits than its factorization.

3231224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1075 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 3231224 is about 1797.5605692160. The cubic root of 3231224 is about 147.8390019407.

Adding to 3231224 its reverse (4221323), we get a palindrome (7452547).

Subtracting 3231224 from its reverse (4221323), we obtain a palindrome (990099).

The spelling of 3231224 in words is "three million, two hundred thirty-one thousand, two hundred twenty-four".