222020159 has 2 divisors, whose sum is σ = 222020160. Its totient is φ = 222020158.

The previous prime is 222020131. The next prime is 222020167. The reversal of 222020159 is 951020222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222020159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222020179) 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, 111010079 + 111010080.

It is an arithmetic number, because the mean of its divisors is an integer number (111010080).

Almost surely, 2^222020159 is an apocalyptic number.

222020159 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020159 is an equidigital number, since it uses as much as digits as its factorization.

222020159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 222020159 is about 14900.3409021405. The cubic root of 222020159 is about 605.5232219840.

The spelling of 222020159 in words is "two hundred twenty-two million, twenty thousand, one hundred fifty-nine".