22444544612 has 12 divisors (see below), whose sum is σ = 44889089280. Its totient is φ = 9619090536.

The previous prime is 22444544537. The next prime is 22444544621. The reversal of 22444544612 is 21644544422.

22444544612 is an admirable 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, 400795412 + ... + 400795467.

It is an arithmetic number, because the mean of its divisors is an integer number (3740757440).

Almost surely, 2^22444544612 is an apocalyptic number.

It is an amenable number.

22444544612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22444544612 is a wasteful number, since it uses less digits than its factorization.

22444544612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801590890 (or 801590888 counting only the distinct ones).

The product of its digits is 245760, while the sum is 38.

The spelling of 22444544612 in words is "twenty-two billion, four hundred forty-four million, five hundred forty-four thousand, six hundred twelve".