162228971 has 2 divisors, whose sum is σ = 162228972. Its totient is φ = 162228970.

The previous prime is 162228947. The next prime is 162228991. The reversal of 162228971 is 179822261.

It is a strong prime.

It is an emirp because it is prime and its reverse (179822261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162228971 - 2⁶ = 162228907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162228991) 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, 81114485 + 81114486.

It is an arithmetic number, because the mean of its divisors is an integer number (81114486).

Almost surely, 2^162228971 is an apocalyptic number.

162228971 is a deficient number, since it is larger than the sum of its proper divisors (1).

162228971 is an equidigital number, since it uses as much as digits as its factorization.

162228971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 162228971 is about 12736.9137156534. The cubic root of 162228971 is about 545.3928889912.

The spelling of 162228971 in words is "one hundred sixty-two million, two hundred twenty-eight thousand, nine hundred seventy-one".