3211223 has 6 divisors (see below), whose sum is σ = 3268512. Its totient is φ = 3154920.

The previous prime is 3211213. The next prime is 3211279. The reversal of 3211223 is 3221123.

It is a happy number.

It is not a de Polignac number, because 3211223 - 2⁴ = 3211207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3211198 and 3211207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3290 + ... + 4152.

It is an arithmetic number, because the mean of its divisors is an integer number (544752).

Almost surely, 2^3211223 is an apocalyptic number.

3211223 is a deficient number, since it is larger than the sum of its proper divisors (57289).

3211223 is an frugal number, since it uses more digits than its factorization.

3211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 924 counting only the distinct ones).

The product of its digits is 72, while the sum is 14.

The square root of 3211223 is about 1791.9885602313. The cubic root of 3211223 is about 147.5333334604.

Adding to 3211223 its reverse (3221123), we get a palindrome (6432346).

The spelling of 3211223 in words is "three million, two hundred eleven thousand, two hundred twenty-three".