22197937104 has 120 divisors (see below), whose sum is σ = 71057088960. Its totient is φ = 6337004544.

The previous prime is 22197937081. The next prime is 22197937109. The reversal of 22197937104 is 40173979122.

It is a self number, because there is not a number n which added to its sum of digits gives 22197937104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22197937109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1298887 + ... + 1315865.

It is an arithmetic number, because the mean of its divisors is an integer number (592142408).

Almost surely, 2^22197937104 is an apocalyptic number.

22197937104 is a gapful number since it is divisible by the number (24) 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 22197937104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35528544480).

22197937104 is an abundant number, since it is smaller than the sum of its proper divisors (48859151856).

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

22197937104 is a wasteful number, since it uses less digits than its factorization.

22197937104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297 (or 18288 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 22197937104 in words is "twenty-two billion, one hundred ninety-seven million, nine hundred thirty-seven thousand, one hundred four".