163505226 has 8 divisors (see below), whose sum is σ = 327010464. Its totient is φ = 54501740.

The previous prime is 163505207. The next prime is 163505239. The reversal of 163505226 is 622505361.

It is a sphenic number, since it is the product of 3 distinct primes.

163505226 is an admirable number.

It is a super-2 number, since 2×163505226² = 53467917858622152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163505193 and 163505202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13625430 + ... + 13625441.

It is an arithmetic number, because the mean of its divisors is an integer number (40876308).

Almost surely, 2^163505226 is an apocalyptic number.

163505226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163505226 is a wasteful number, since it uses less digits than its factorization.

163505226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27250876.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 163505226 is about 12786.9162036826. The cubic root of 163505226 is about 546.8193564327.

The spelling of 163505226 in words is "one hundred sixty-three million, five hundred five thousand, two hundred twenty-six".