12214290 has 32 divisors (see below), whose sum is σ = 31980096. Its totient is φ = 2960960.

The previous prime is 12214289. The next prime is 12214303. The reversal of 12214290 is 9241221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18177 + ... + 18836.

It is an arithmetic number, because the mean of its divisors is an integer number (999378).

Almost surely, 2^12214290 is an apocalyptic number.

12214290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12214290 is an abundant number, since it is smaller than the sum of its proper divisors (19765806).

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

12214290 is a wasteful number, since it uses less digits than its factorization.

12214290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37034.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12214290 is about 3494.8948482036. The cubic root of 12214290 is about 230.2975983865.

The spelling of 12214290 in words is "twelve million, two hundred fourteen thousand, two hundred ninety".