22365605000 has 80 divisors (see below), whose sum is σ = 53185537680. Its totient is φ = 8812584000.

The previous prime is 22365604981. The next prime is 22365605021. The reversal of 22365605000 is 50656322.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 301619 + ... + 368381.

It is an arithmetic number, because the mean of its divisors is an integer number (664819221).

Almost surely, 2^22365605000 is an apocalyptic number.

22365605000 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 22365605000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26592768840).

22365605000 is an abundant number, since it is smaller than the sum of its proper divisors (30819932680).

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

22365605000 is an equidigital number, since it uses as much as digits as its factorization.

22365605000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66856 (or 66837 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 22365605000 in words is "twenty-two billion, three hundred sixty-five million, six hundred five thousand".