163224818 has 16 divisors (see below), whose sum is σ = 259174080. Its totient is φ = 76964496.

The previous prime is 163224799. The next prime is 163224869. The reversal of 163224818 is 818422361.

It is a super-2 number, since 2×163224818² = 53284682422266248, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30230 + ... + 35217.

It is an arithmetic number, because the mean of its divisors is an integer number (16198380).

Almost surely, 2^163224818 is an apocalyptic number.

163224818 is a deficient number, since it is larger than the sum of its proper divisors (95949262).

163224818 is a wasteful number, since it uses less digits than its factorization.

163224818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65521.

The product of its digits is 18432, while the sum is 35.

The square root of 163224818 is about 12775.9468533647. The cubic root of 163224818 is about 546.5065830259.

The spelling of 163224818 in words is "one hundred sixty-three million, two hundred twenty-four thousand, eight hundred eighteen".