3221012223 has 160 divisors (see below), whose sum is σ = 6010583040. Its totient is φ = 1691746560.

The previous prime is 3221012213. The next prime is 3221012233. The reversal of 3221012223 is 3222101223.

It is an interprime number because it is at equal distance from previous prime (3221012213) and next prime (3221012233).

It is not a de Polignac number, because 3221012223 - 2⁶ = 3221012159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221012196 and 3221012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221012213) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 14443890 + ... + 14444112.

It is an arithmetic number, because the mean of its divisors is an integer number (37566144).

Almost surely, 2^3221012223 is an apocalyptic number.

3221012223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3221012223 is a deficient number, since it is larger than the sum of its proper divisors (2789570817).

3221012223 is a wasteful number, since it uses less digits than its factorization.

3221012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3221012223 is about 56753.9621788647. The cubic root of 3221012223 is about 1476.8309692277.

Adding to 3221012223 its reverse (3222101223), we get a palindrome (6443113446).

The spelling of 3221012223 in words is "three billion, two hundred twenty-one million, twelve thousand, two hundred twenty-three".