22539845144 has 32 divisors (see below), whose sum is σ = 42860862720. Its totient is φ = 11111248416.

The previous prime is 22539845123. The next prime is 22539845177. The reversal of 22539845144 is 44154893522.

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, 126797 + ... + 247299.

It is an arithmetic number, because the mean of its divisors is an integer number (1339401960).

Almost surely, 2^22539845144 is an apocalyptic number.

It is an amenable number.

22539845144 is a deficient number, since it is larger than the sum of its proper divisors (20321017576).

22539845144 is a wasteful number, since it uses less digits than its factorization.

22539845144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120839 (or 120835 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The spelling of 22539845144 in words is "twenty-two billion, five hundred thirty-nine million, eight hundred forty-five thousand, one hundred forty-four".