22106849980 has 192 divisors, whose sum is σ = 52785976320. Its totient is φ = 7727616000.

The previous prime is 22106849971. The next prime is 22106850001. The reversal of 22106849980 is 8994860122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127785174 + ... + 127785346.

It is an arithmetic number, because the mean of its divisors is an integer number (274926960).

Almost surely, 2^22106849980 is an apocalyptic number.

22106849980 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 22106849980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26392988160).

22106849980 is an abundant number, since it is smaller than the sum of its proper divisors (30679126340).

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

22106849980 is a wasteful number, since it uses less digits than its factorization.

22106849980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 22106849980 in words is "twenty-two billion, one hundred six million, eight hundred forty-nine thousand, nine hundred eighty".