12228770 has 16 divisors (see below), whose sum is σ = 22524480. Its totient is φ = 4777584.

The previous prime is 12228767. The next prime is 12228781. The reversal of 12228770 is 7782221.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13790 + ... + 14649.

It is an arithmetic number, because the mean of its divisors is an integer number (1407780).

Almost surely, 2^12228770 is an apocalyptic number.

12228770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12228770 is a deficient number, since it is larger than the sum of its proper divisors (10295710).

12228770 is a wasteful number, since it uses less digits than its factorization.

12228770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28489.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 12228770 is about 3496.9658276855. The cubic root of 12228770 is about 230.3885681257.

The spelling of 12228770 in words is "twelve million, two hundred twenty-eight thousand, seven hundred seventy".