22419181056 has 80 divisors (see below), whose sum is σ = 60306390144. Its totient is φ = 7400454144.

The previous prime is 22419181051. The next prime is 22419181063. The reversal of 22419181056 is 65018191422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22419181051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87355 + ... + 229061.

Almost surely, 2^22419181056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22419181056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30153195072).

22419181056 is an abundant number, since it is smaller than the sum of its proper divisors (37887209088).

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

22419181056 is a wasteful number, since it uses less digits than its factorization.

22419181056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141831 (or 141815 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 22419181056 in words is "twenty-two billion, four hundred nineteen million, one hundred eighty-one thousand, fifty-six".