3223231 has 4 divisors (see below), whose sum is σ = 3516264. Its totient is φ = 2930200.

The previous prime is 3223223. The next prime is 3223247. The reversal of 3223231 is 1323223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1323223 = 11 ⋅120293.

It is a cyclic number.

It is not a de Polignac number, because 3223231 - 2³ = 3223223 is a prime.

It is a super-2 number, since 2×3223231² = 20778436158722, 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 (3223201) 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, 146500 + ... + 146521.

It is an arithmetic number, because the mean of its divisors is an integer number (879066).

Almost surely, 2^3223231 is an apocalyptic number.

3223231 is a deficient number, since it is larger than the sum of its proper divisors (293033).

3223231 is a wasteful number, since it uses less digits than its factorization.

3223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293032.

The product of its digits is 216, while the sum is 16.

The square root of 3223231 is about 1795.3359017187. The cubic root of 3223231 is about 147.7169993760.

Adding to 3223231 its reverse (1323223), we get a palindrome (4546454).

It can be divided in two parts, 322 and 3231, that added together give a palindrome (3553).

The spelling of 3223231 in words is "three million, two hundred twenty-three thousand, two hundred thirty-one".