22446901280 has 96 divisors (see below), whose sum is σ = 54415779264. Its totient is φ = 8745440256.

The previous prime is 22446901273. The next prime is 22446901297. The reversal of 22446901280 is 8210964422.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2561867 + ... + 2570613.

It is an arithmetic number, because the mean of its divisors is an integer number (566831034).

Almost surely, 2^22446901280 is an apocalyptic number.

22446901280 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 22446901280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27207889632).

22446901280 is an abundant number, since it is smaller than the sum of its proper divisors (31968877984).

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

22446901280 is a wasteful number, since it uses less digits than its factorization.

22446901280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9178 (or 9170 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 22446901280 in words is "twenty-two billion, four hundred forty-six million, nine hundred one thousand, two hundred eighty".