3220228231 has 8 divisors (see below), whose sum is σ = 3525942528. Its totient is φ = 2916675000.

The previous prime is 3220228189. The next prime is 3220228241. The reversal of 3220228231 is 1328220223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3220228231 - 2⁹ = 3220227719 is a prime.

It is a super-2 number, since 2×3220228231² = 20739739719458778722, 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 = 3220228196 and 3220228205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220228241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537145 + ... + 543106.

It is an arithmetic number, because the mean of its divisors is an integer number (440742816).

Almost surely, 2^3220228231 is an apocalyptic number.

3220228231 is a deficient number, since it is larger than the sum of its proper divisors (305714297).

3220228231 is a wasteful number, since it uses less digits than its factorization.

3220228231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080533.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3220228231 is about 56747.0548222549. The cubic root of 3220228231 is about 1476.7111396487.

Adding to 3220228231 its reverse (1328220223), we get a palindrome (4548448454).

The spelling of 3220228231 in words is "three billion, two hundred twenty million, two hundred twenty-eight thousand, two hundred thirty-one".