22248012 has 24 divisors (see below), whose sum is σ = 54644800. Its totient is φ = 7025616.

The previous prime is 22247963. The next prime is 22248013. The reversal of 22248012 is 21084222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22248012.

It is not an unprimeable number, because it can be changed into a prime (22248013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48562 + ... + 49017.

Almost surely, 2^22248012 is an apocalyptic number.

It is an amenable number.

22248012 is an abundant number, since it is smaller than the sum of its proper divisors (32396788).

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

22248012 is a wasteful number, since it uses less digits than its factorization.

22248012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97605 (or 97603 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 22248012 is about 4716.7798337425. The cubic root of 22248012 is about 281.2529394261.

The spelling of 22248012 in words is "twenty-two million, two hundred forty-eight thousand, twelve".