22445190880 has 144 divisors (see below), whose sum is σ = 63189591696. Its totient is φ = 7507691520.

The previous prime is 22445190847. The next prime is 22445190881. The reversal of 22445190880 is 8809154422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445190881) 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 23 ways as a sum of consecutive naturals, for example, 286527 + ... + 356353.

It is an arithmetic number, because the mean of its divisors is an integer number (438816609).

Almost surely, 2^22445190880 is an apocalyptic number.

22445190880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22445190880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31594795848).

22445190880 is an abundant number, since it is smaller than the sum of its proper divisors (40744400816).

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

22445190880 is a wasteful number, since it uses less digits than its factorization.

22445190880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69897 (or 69882 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 22445190880 in words is "twenty-two billion, four hundred forty-five million, one hundred ninety thousand, eight hundred eighty".