3212221223 has 4 divisors (see below), whose sum is σ = 3215763720. Its totient is φ = 3208678728.

The previous prime is 3212221211. The next prime is 3212221231. The reversal of 3212221223 is 3221222123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3212221223 - 2⁸ = 3212220967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3212221195 and 3212221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212221253) 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, 1769888 + ... + 1771701.

It is an arithmetic number, because the mean of its divisors is an integer number (803940930).

Almost surely, 2^3212221223 is an apocalyptic number.

3212221223 is a deficient number, since it is larger than the sum of its proper divisors (3542497).

3212221223 is an equidigital number, since it uses as much as digits as its factorization.

3212221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542496.

The product of its digits is 576, while the sum is 20.

The square root of 3212221223 is about 56676.4609251495. The cubic root of 3212221223 is about 1475.4861900833.

Adding to 3212221223 its reverse (3221222123), we get a palindrome (6433443346).

The spelling of 3212221223 in words is "three billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-three".