12222996 has 12 divisors (see below), whose sum is σ = 28520352. Its totient is φ = 4074328.

The previous prime is 12222989. The next prime is 12223009. The reversal of 12222996 is 69922221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509280 + ... + 509303.

It is an arithmetic number, because the mean of its divisors is an integer number (2376696).

Almost surely, 2^12222996 is an apocalyptic number.

It is an amenable number.

12222996 is an abundant number, since it is smaller than the sum of its proper divisors (16297356).

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

12222996 is a wasteful number, since it uses less digits than its factorization.

12222996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018590 (or 1018588 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 12222996 is about 3496.1401573736. The cubic root of 12222996 is about 230.3523019268.

The spelling of 12222996 in words is "twelve million, two hundred twenty-two thousand, nine hundred ninety-six".