3223172212 has 24 divisors (see below), whose sum is σ = 6157658696. Its totient is φ = 1467237888.

The previous prime is 3223172203. The next prime is 3223172219. The reversal of 3223172212 is 2122713223.

It can be written as a sum of positive squares in 4 ways, for example, as 21196816 + 3201975396 = 4604^2 + 56586^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223172219) 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, 420753 + ... + 428344.

Almost surely, 2^3223172212 is an apocalyptic number.

It is an amenable number.

3223172212 is a deficient number, since it is larger than the sum of its proper divisors (2934486484).

3223172212 is a wasteful number, since it uses less digits than its factorization.

3223172212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849187 (or 849185 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 3223172212 is about 56772.9884011754. The cubic root of 3223172212 is about 1477.1610130817.

Adding to 3223172212 its reverse (2122713223), we get a palindrome (5345885435).

The spelling of 3223172212 in words is "three billion, two hundred twenty-three million, one hundred seventy-two thousand, two hundred twelve".