4221433331 has 2 divisors, whose sum is σ = 4221433332. Its totient is φ = 4221433330.

The previous prime is 4221433313. The next prime is 4221433397. The reversal of 4221433331 is 1333341224.

4221433331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (4221433313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4221433331 is a prime.

It is a super-2 number, since 2×4221433331² = 35640998736155511122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4221433331.

It is not a weakly prime, because it can be changed into another prime (4221433631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110716665 + 2110716666.

It is an arithmetic number, because the mean of its divisors is an integer number (2110716666).

Almost surely, 2^4221433331 is an apocalyptic number.

4221433331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221433331 is an equidigital number, since it uses as much as digits as its factorization.

4221433331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

The square root of 4221433331 is about 64972.5582919435. The cubic root of 4221433331 is about 1616.1685263325.

Adding to 4221433331 its reverse (1333341224), we get a palindrome (5554774555).

The spelling of 4221433331 in words is "four billion, two hundred twenty-one million, four hundred thirty-three thousand, three hundred thirty-one".