22215523244 has 12 divisors (see below), whose sum is σ = 38964927624. Its totient is φ = 11082686784.

The previous prime is 22215523243. The next prime is 22215523289. The reversal of 22215523244 is 44232551222.

It is a self number, because there is not a number n which added to its sum of digits gives 22215523244.

It is not an unprimeable number, because it can be changed into a prime (22215523241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6266717 + ... + 6270260.

It is an arithmetic number, because the mean of its divisors is an integer number (3247077302).

Almost surely, 2^22215523244 is an apocalyptic number.

It is an amenable number.

22215523244 is a deficient number, since it is larger than the sum of its proper divisors (16749404380).

22215523244 is a wasteful number, since it uses less digits than its factorization.

22215523244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12537424 (or 12537422 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The spelling of 22215523244 in words is "twenty-two billion, two hundred fifteen million, five hundred twenty-three thousand, two hundred forty-four".