22065370000 has 100 divisors (see below), whose sum is σ = 53537300080. Its totient is φ = 8807184000.

The previous prime is 22065369967. The next prime is 22065370003. The reversal of 22065370000 is 7356022.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (22065370003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5227891 + ... + 5232109.

Almost surely, 2^22065370000 is an apocalyptic number.

22065370000 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 22065370000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26768650040).

22065370000 is an abundant number, since it is smaller than the sum of its proper divisors (31471930080).

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

22065370000 is an equidigital number, since it uses as much as digits as its factorization.

22065370000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The spelling of 22065370000 in words is "twenty-two billion, sixty-five million, three hundred seventy thousand".