221122233239 has 2 divisors, whose sum is σ = 221122233240. Its totient is φ = 221122233238.

The previous prime is 221122233203. The next prime is 221122233251. The reversal of 221122233239 is 932332221122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221122233239 - 2¹⁶ = 221122167703 is a prime.

It is a super-2 number, since 2×221122233239² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221122233259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561116619 + 110561116620.

It is an arithmetic number, because the mean of its divisors is an integer number (110561116620).

Almost surely, 2^221122233239 is an apocalyptic number.

221122233239 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122233239 is an equidigital number, since it uses as much as digits as its factorization.

221122233239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The spelling of 221122233239 in words is "two hundred twenty-one billion, one hundred twenty-two million, two hundred thirty-three thousand, two hundred thirty-nine".