163224819 has 6 divisors (see below), whose sum is σ = 235769196. Its totient is φ = 108816540.

The previous prime is 163224799. The next prime is 163224869. The reversal of 163224819 is 918422361.

163224819 is a `hidden beast` number, since 1 + 632 + 2 + 4 + 8 + 19 = 666.

It is not a de Polignac number, because 163224819 - 2¹⁷ = 163093747 is a prime.

It is a super-2 number, since 2×163224819² = 53284683075165522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163224869) 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 in 5 ways as a sum of consecutive naturals, for example, 9068037 + ... + 9068054.

It is an arithmetic number, because the mean of its divisors is an integer number (39294866).

Almost surely, 2^163224819 is an apocalyptic number.

163224819 is a deficient number, since it is larger than the sum of its proper divisors (72544377).

163224819 is a wasteful number, since it uses less digits than its factorization.

163224819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18136097 (or 18136094 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 163224819 is about 12775.9468925008. The cubic root of 163224819 is about 546.5065841419.

The spelling of 163224819 in words is "one hundred sixty-three million, two hundred twenty-four thousand, eight hundred nineteen".