22189426896 has 480 divisors, whose sum is σ = 73992621312. Its totient is φ = 5607014400.

The previous prime is 22189426837. The next prime is 22189426979. The reversal of 22189426896 is 69862498122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 219697246 + ... + 219697346.

Almost surely, 2^22189426896 is an apocalyptic number.

22189426896 is a gapful number since it is divisible by the number (26) 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 22189426896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36996310656).

22189426896 is an abundant number, since it is smaller than the sum of its proper divisors (51803194416).

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

22189426896 is a wasteful number, since it uses less digits than its factorization.

22189426896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 252 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The spelling of 22189426896 in words is "twenty-two billion, one hundred eighty-nine million, four hundred twenty-six thousand, eight hundred ninety-six".