22573745544 has 32 divisors (see below), whose sum is σ = 64496416320. Its totient is φ = 6449641536.

The previous prime is 22573745539. The next prime is 22573745611. The reversal of 22573745544 is 44554737522.

It is a junction number, because it is equal to n+sod(n) for n = 22573745493 and 22573745502.

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, 67183599 + ... + 67183934.

It is an arithmetic number, because the mean of its divisors is an integer number (2015513010).

Almost surely, 2^22573745544 is an apocalyptic number.

22573745544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22573745544 is an abundant number, since it is smaller than the sum of its proper divisors (41922670776).

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

22573745544 is a wasteful number, since it uses less digits than its factorization.

22573745544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134367549 (or 134367545 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 48.

The spelling of 22573745544 in words is "twenty-two billion, five hundred seventy-three million, seven hundred forty-five thousand, five hundred forty-four".