22230012 has 24 divisors (see below), whose sum is σ = 59280256. Its totient is φ = 6351408.

The previous prime is 22229993. The next prime is 22230023. The reversal of 22230012 is 21003222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22230012.

It is a congruent 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, 132238 + ... + 132405.

Almost surely, 2^22230012 is an apocalyptic number.

It is an amenable number.

22230012 is an abundant number, since it is smaller than the sum of its proper divisors (37050244).

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

22230012 is a wasteful number, since it uses less digits than its factorization.

22230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264657 (or 264655 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22230012 is about 4714.8713662199. The cubic root of 22230012 is about 281.1770686947.

Adding to 22230012 its reverse (21003222), we get a palindrome (43233234).

The spelling of 22230012 in words is "twenty-two million, two hundred thirty thousand, twelve".