3220222231 has 4 divisors (see below), whose sum is σ = 3220465464. Its totient is φ = 3219979000.

The previous prime is 3220222193. The next prime is 3220222241. The reversal of 3220222231 is 1322220223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322220223 = 89 ⋅14856407.

It is a cyclic number.

It is not a de Polignac number, because 3220222231 - 2¹¹ = 3220220183 is a prime.

It is a super-2 number, since 2×3220222231² = 20739662434053234722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220222199 and 3220222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100540 + ... + 128641.

It is an arithmetic number, because the mean of its divisors is an integer number (805116366).

Almost surely, 2^3220222231 is an apocalyptic number.

3220222231 is a deficient number, since it is larger than the sum of its proper divisors (243233).

3220222231 is a wasteful number, since it uses less digits than its factorization.

3220222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243232.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3220222231 is about 56747.0019560505. The cubic root of 3220222231 is about 1476.7102225013.

Adding to 3220222231 its reverse (1322220223), we get a palindrome (4542442454).

The spelling of 3220222231 in words is "three billion, two hundred twenty million, two hundred twenty-two thousand, two hundred thirty-one".