12228170 has 16 divisors (see below), whose sum is σ = 22340448. Its totient is φ = 4818000.

The previous prime is 12228143. The next prime is 12228187. The reversal of 12228170 is 7182221.

12228170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8456 + ... + 9795.

It is an arithmetic number, because the mean of its divisors is an integer number (1396278).

Almost surely, 2^12228170 is an apocalyptic number.

12228170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12228170 is a deficient number, since it is larger than the sum of its proper divisors (10112278).

12228170 is a wasteful number, since it uses less digits than its factorization.

12228170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18325.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12228170 is about 3496.8800379767. The cubic root of 12228170 is about 230.3848000880.

The spelling of 12228170 in words is "twelve million, two hundred twenty-eight thousand, one hundred seventy".