22448391680 has 480 divisors, whose sum is σ = 65508173280. Its totient is φ = 7309885440.

The previous prime is 22448391661. The next prime is 22448391731. The reversal of 22448391680 is 8619384422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252229076 + ... + 252229164.

It is an arithmetic number, because the mean of its divisors is an integer number (136475361).

Almost surely, 2^22448391680 is an apocalyptic number.

22448391680 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 22448391680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32754086640).

22448391680 is an abundant number, since it is smaller than the sum of its proper divisors (43059781600).

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

22448391680 is a wasteful number, since it uses less digits than its factorization.

22448391680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 22448391680 in words is "twenty-two billion, four hundred forty-eight million, three hundred ninety-one thousand, six hundred eighty".