163228250 has 16 divisors (see below), whose sum is σ = 305563752. Its totient is φ = 65291200.

The previous prime is 163228243. The next prime is 163228267. The reversal of 163228250 is 52822361.

It can be written as a sum of positive squares in 4 ways, for example, as 109014481 + 54213769 = 10441^2 + 7363^2 .

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, 326207 + ... + 326706.

Almost surely, 2^163228250 is an apocalyptic number.

163228250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163228250 is a deficient number, since it is larger than the sum of its proper divisors (142335502).

163228250 is an equidigital number, since it uses as much as digits as its factorization.

163228250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652930 (or 652920 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 163228250 is about 12776.0811675568. The cubic root of 163228250 is about 546.5104133205.

The spelling of 163228250 in words is "one hundred sixty-three million, two hundred twenty-eight thousand, two hundred fifty".