162212797 has 2 divisors, whose sum is σ = 162212798. Its totient is φ = 162212796.

The previous prime is 162212783. The next prime is 162212803. The reversal of 162212797 is 797212261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150454756 + 11758041 = 12266^2 + 3429^2 .

It is a cyclic number.

It is not a de Polignac number, because 162212797 - 2⁷ = 162212669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162212707) 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, 81106398 + 81106399.

It is an arithmetic number, because the mean of its divisors is an integer number (81106399).

Almost surely, 2^162212797 is an apocalyptic number.

It is an amenable number.

162212797 is a deficient number, since it is larger than the sum of its proper divisors (1).

162212797 is an equidigital number, since it uses as much as digits as its factorization.

162212797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 162212797 is about 12736.2787736450. The cubic root of 162212797 is about 545.3747634212.

The spelling of 162212797 in words is "one hundred sixty-two million, two hundred twelve thousand, seven hundred ninety-seven".