3231229 has 4 divisors (see below), whose sum is σ = 3237084. Its totient is φ = 3225376.

The previous prime is 3231227. The next prime is 3231233. The reversal of 3231229 is 9221323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9221323 = 1327 ⋅6949.

It can be written as a sum of positive squares in 2 ways, for example, as 1265625 + 1965604 = 1125^2 + 1402^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231229 - 2¹ = 3231227 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2002 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (809271).

Almost surely, 2^3231229 is an apocalyptic number.

It is an amenable number.

3231229 is a deficient number, since it is larger than the sum of its proper divisors (5855).

3231229 is an equidigital number, since it uses as much as digits as its factorization.

3231229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854.

The product of its digits is 648, while the sum is 22.

The square root of 3231229 is about 1797.5619599891. The cubic root of 3231229 is about 147.8390781961.

The spelling of 3231229 in words is "three million, two hundred thirty-one thousand, two hundred twenty-nine".