220552439 has 2 divisors, whose sum is σ = 220552440. Its totient is φ = 220552438.

The previous prime is 220552429. The next prime is 220552457. The reversal of 220552439 is 934255022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220552439 - 2²⁴ = 203775223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220552429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110276219 + 110276220.

It is an arithmetic number, because the mean of its divisors is an integer number (110276220).

Almost surely, 2^220552439 is an apocalyptic number.

220552439 is a deficient number, since it is larger than the sum of its proper divisors (1).

220552439 is an equidigital number, since it uses as much as digits as its factorization.

220552439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 220552439 is about 14851.0080129263. The cubic root of 220552439 is about 604.1859497568.

The spelling of 220552439 in words is "two hundred twenty million, five hundred fifty-two thousand, four hundred thirty-nine".