17220230 has 16 divisors (see below), whose sum is σ = 31582224. Its totient is φ = 6757920.

The previous prime is 17220227. The next prime is 17220241. The reversal of 17220230 is 3202271.

It is a junction number, because it is equal to n+sod(n) for n = 17220199 and 17220208.

It is a congruent 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, 15716 + ... + 16775.

It is an arithmetic number, because the mean of its divisors is an integer number (1973889).

Almost surely, 2^17220230 is an apocalyptic number.

17220230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17220230 is a deficient number, since it is larger than the sum of its proper divisors (14361994).

17220230 is a wasteful number, since it uses less digits than its factorization.

17220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32551.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 17220230 is about 4149.7264970116. The cubic root of 17220230 is about 258.2337384611.

It can be divided in two parts, 172 and 20230, that added together give a palindrome (20402).

The spelling of 17220230 in words is "seventeen million, two hundred twenty thousand, two hundred thirty".