220265239 has 2 divisors, whose sum is σ = 220265240. Its totient is φ = 220265238.

The previous prime is 220265219. The next prime is 220265267. The reversal of 220265239 is 932562022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220265239 - 2⁵ = 220265207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220265239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220265219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110132619 + 110132620.

It is an arithmetic number, because the mean of its divisors is an integer number (110132620).

Almost surely, 2^220265239 is an apocalyptic number.

220265239 is a deficient number, since it is larger than the sum of its proper divisors (1).

220265239 is an equidigital number, since it uses as much as digits as its factorization.

220265239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 220265239 is about 14841.3354857304. The cubic root of 220265239 is about 603.9235819508.

The spelling of 220265239 in words is "two hundred twenty million, two hundred sixty-five thousand, two hundred thirty-nine".