3221222031 has 24 divisors (see below), whose sum is σ = 4803961344. Its totient is φ = 2078576640.

The previous prime is 3221222027. The next prime is 3221222041. The reversal of 3221222031 is 1302221223.

It is not a de Polignac number, because 3221222031 - 2² = 3221222027 is a prime.

It is a super-2 number, since 2×3221222031² = 20752542745999529922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3221221995 and 3221222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221222041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12495 + ... + 81231.

It is an arithmetic number, because the mean of its divisors is an integer number (200165056).

Almost surely, 2^3221222031 is an apocalyptic number.

3221222031 is a deficient number, since it is larger than the sum of its proper divisors (1582739313).

3221222031 is a wasteful number, since it uses less digits than its factorization.

3221222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68911 (or 68908 counting only the distinct ones).

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

The square root of 3221222031 is about 56755.8105483483. The cubic root of 3221222031 is about 1476.8630341194.

Adding to 3221222031 its reverse (1302221223), we get a palindrome (4523443254).

The spelling of 3221222031 in words is "three billion, two hundred twenty-one million, two hundred twenty-two thousand, thirty-one".