220441387 has 2 divisors, whose sum is σ = 220441388. Its totient is φ = 220441386.

The previous prime is 220441381. The next prime is 220441423. The reversal of 220441387 is 783144022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220441387 - 2¹¹ = 220439339 is a prime.

It is not a weakly prime, because it can be changed into another prime (220441381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110220693 + 110220694.

It is an arithmetic number, because the mean of its divisors is an integer number (110220694).

Almost surely, 2^220441387 is an apocalyptic number.

220441387 is a deficient number, since it is larger than the sum of its proper divisors (1).

220441387 is an equidigital number, since it uses as much as digits as its factorization.

220441387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 220441387 is about 14847.2686713752. The cubic root of 220441387 is about 604.0845266775.

The spelling of 220441387 in words is "two hundred twenty million, four hundred forty-one thousand, three hundred eighty-seven".