220144559 has 2 divisors, whose sum is σ = 220144560. Its totient is φ = 220144558.

The previous prime is 220144531. The next prime is 220144571. The reversal of 220144559 is 955441022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220144559 - 2¹⁶ = 220079023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220144159) 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, 110072279 + 110072280.

It is an arithmetic number, because the mean of its divisors is an integer number (110072280).

Almost surely, 2^220144559 is an apocalyptic number.

220144559 is a deficient number, since it is larger than the sum of its proper divisors (1).

220144559 is an equidigital number, since it uses as much as digits as its factorization.

220144559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 220144559 is about 14837.2692568410. The cubic root of 220144559 is about 603.8132682634.

The spelling of 220144559 in words is "two hundred twenty million, one hundred forty-four thousand, five hundred fifty-nine".