2221233439 has 2 divisors, whose sum is σ = 2221233440. Its totient is φ = 2221233438.

The previous prime is 2221233407. The next prime is 2221233461. The reversal of 2221233439 is 9343321222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221233439 - 2⁵ = 2221233407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221233439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221233139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110616719 + 1110616720.

It is an arithmetic number, because the mean of its divisors is an integer number (1110616720).

Almost surely, 2^2221233439 is an apocalyptic number.

2221233439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221233439 is an equidigital number, since it uses as much as digits as its factorization.

2221233439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 2221233439 is about 47129.9632823961. The cubic root of 2221233439 is about 1304.7623039040.

The spelling of 2221233439 in words is "two billion, two hundred twenty-one million, two hundred thirty-three thousand, four hundred thirty-nine".