3322221231 has 32 divisors (see below), whose sum is σ = 5472924160. Its totient is φ = 1749879936.

The previous prime is 3322221229. The next prime is 3322221233. The reversal of 3322221231 is 1321222233.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3322221229) and next prime (3322221233).

It is not a de Polignac number, because 3322221231 - 2¹ = 3322221229 is a prime.

It is a super-2 number, since 2×3322221231² = 22074307815414310722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3322221198 and 3322221207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3322221233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97756 + ... + 127281.

It is an arithmetic number, because the mean of its divisors is an integer number (171028880).

Almost surely, 2^3322221231 is an apocalyptic number.

3322221231 is a deficient number, since it is larger than the sum of its proper divisors (2150702929).

3322221231 is a wasteful number, since it uses less digits than its factorization.

3322221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225103.

The product of its digits is 864, while the sum is 21.

The square root of 3322221231 is about 57638.7129540555. The cubic root of 3322221231 is about 1492.1398066288.

Adding to 3322221231 its reverse (1321222233), we get a palindrome (4643443464).

The spelling of 3322221231 in words is "three billion, three hundred twenty-two million, two hundred twenty-one thousand, two hundred thirty-one".