22000522488 has 256 divisors, whose sum is σ = 66924748800. Its totient is φ = 5891719680.

The previous prime is 22000522447. The next prime is 22000522493. The reversal of 22000522488 is 88422500022.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 58048683 + ... + 58049061.

It is an arithmetic number, because the mean of its divisors is an integer number (261424800).

Almost surely, 2^22000522488 is an apocalyptic number.

22000522488 is a gapful number since it is divisible by the number (28) 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 22000522488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33462374400).

22000522488 is an abundant number, since it is smaller than the sum of its proper divisors (44924226312).

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

22000522488 is a wasteful number, since it uses less digits than its factorization.

22000522488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The spelling of 22000522488 in words is "twenty-two billion, five hundred twenty-two thousand, four hundred eighty-eight".