22245568890 has 16 divisors (see below), whose sum is σ = 53389365408. Its totient is φ = 5932151696.

The previous prime is 22245568889. The next prime is 22245568897. The reversal of 22245568890 is 9886554222.

It is not an unprimeable number, because it can be changed into a prime (22245568897) 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 7 ways as a sum of consecutive naturals, for example, 370759452 + ... + 370759511.

It is an arithmetic number, because the mean of its divisors is an integer number (3336835338).

Almost surely, 2^22245568890 is an apocalyptic number.

22245568890 is an abundant number, since it is smaller than the sum of its proper divisors (31143796518).

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

22245568890 is a wasteful number, since it uses less digits than its factorization.

22245568890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741518973.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 22245568890 in words is "twenty-two billion, two hundred forty-five million, five hundred sixty-eight thousand, eight hundred ninety".