3222020231 has 4 divisors (see below), whose sum is σ = 3223156392. Its totient is φ = 3220884072.

The previous prime is 3222020177. The next prime is 3222020233. The reversal of 3222020231 is 1320202223.

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 3222020231 - 2²² = 3217825927 is a prime.

It is a super-2 number, since 2×3222020231² = 20762828737946586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222020233) 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, 563816 + ... + 569501.

It is an arithmetic number, because the mean of its divisors is an integer number (805789098).

Almost surely, 2^3222020231 is an apocalyptic number.

3222020231 is a deficient number, since it is larger than the sum of its proper divisors (1136161).

3222020231 is a wasteful number, since it uses less digits than its factorization.

3222020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136160.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3222020231 is about 56762.8419919228. The cubic root of 3222020231 is about 1476.9850100555.

Adding to 3222020231 its reverse (1320202223), we get a palindrome (4542222454).

The spelling of 3222020231 in words is "three billion, two hundred twenty-two million, twenty thousand, two hundred thirty-one".