12220914 has 16 divisors (see below), whose sum is σ = 25728480. Its totient is φ = 3859200.

The previous prime is 12220903. The next prime is 12220921. The reversal of 12220914 is 41902221.

It is a Curzon 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, 53487 + ... + 53714.

It is an arithmetic number, because the mean of its divisors is an integer number (1608030).

Almost surely, 2^12220914 is an apocalyptic number.

12220914 is an abundant number, since it is smaller than the sum of its proper divisors (13507566).

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

12220914 is a wasteful number, since it uses less digits than its factorization.

12220914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107225.

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

The square root of 12220914 is about 3495.8423877515. The cubic root of 12220914 is about 230.3392221896.

The spelling of 12220914 in words is "twelve million, two hundred twenty thousand, nine hundred fourteen".