3215220223 has 4 divisors (see below), whose sum is σ = 3384442360. Its totient is φ = 3045998088.

The previous prime is 3215220221. The next prime is 3215220233. The reversal of 3215220223 is 3220225123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220225123 = 11113 ⋅289771.

It is a cyclic number.

It is not a de Polignac number, because 3215220223 - 2¹ = 3215220221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3215220194 and 3215220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215220221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84611040 + ... + 84611077.

It is an arithmetic number, because the mean of its divisors is an integer number (846110590).

Almost surely, 2^3215220223 is an apocalyptic number.

3215220223 is a deficient number, since it is larger than the sum of its proper divisors (169222137).

3215220223 is a wasteful number, since it uses less digits than its factorization.

3215220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169222136.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3215220223 is about 56702.9119446259. The cubic root of 3215220223 is about 1475.9452293175.

Adding to 3215220223 its reverse (3220225123), we get a palindrome (6435445346).

The spelling of 3215220223 in words is "three billion, two hundred fifteen million, two hundred twenty thousand, two hundred twenty-three".