163624228 has 12 divisors (see below), whose sum is σ = 291196080. Its totient is φ = 80425352.

The previous prime is 163624217. The next prime is 163624229. The reversal of 163624228 is 822426361.

It is a junction number, because it is equal to n+sod(n) for n = 163624193 and 163624202.

It is not an unprimeable number, because it can be changed into a prime (163624229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346426 + ... + 346897.

It is an arithmetic number, because the mean of its divisors is an integer number (24266340).

Almost surely, 2^163624228 is an apocalyptic number.

It is an amenable number.

163624228 is a deficient number, since it is larger than the sum of its proper divisors (127571852).

163624228 is a wasteful number, since it uses less digits than its factorization.

163624228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693386 (or 693384 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 163624228 is about 12791.5686293746. The cubic root of 163624228 is about 546.9519858661.

The spelling of 163624228 in words is "one hundred sixty-three million, six hundred twenty-four thousand, two hundred twenty-eight".