22289720750 has 64 divisors (see below), whose sum is σ = 46988218368. Its totient is φ = 7843860000.

The previous prime is 22289720741. The next prime is 22289720779. The reversal of 22289720750 is 5702798222.

It is a super-2 number, since 2×22289720750² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45482 + ... + 215981.

It is an arithmetic number, because the mean of its divisors is an integer number (734190912).

Almost surely, 2^22289720750 is an apocalyptic number.

22289720750 is an abundant number, since it is smaller than the sum of its proper divisors (24698497618).

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

22289720750 is a wasteful number, since it uses less digits than its factorization.

22289720750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261522 (or 261512 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 22289720750 in words is "twenty-two billion, two hundred eighty-nine million, seven hundred twenty thousand, seven hundred fifty".