22057205064 has 64 divisors (see below), whose sum is σ = 57284682240. Its totient is φ = 7069870080.

The previous prime is 22057205063. The next prime is 22057205111. The reversal of 22057205064 is 46050275022.

It is not an unprimeable number, because it can be changed into a prime (22057205063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22392 + ... + 211224.

It is an arithmetic number, because the mean of its divisors is an integer number (895073160).

Almost surely, 2^22057205064 is an apocalyptic number.

22057205064 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 22057205064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28642341120).

22057205064 is an abundant number, since it is smaller than the sum of its proper divisors (35227477176).

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

22057205064 is a wasteful number, since it uses less digits than its factorization.

22057205064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189030 (or 189026 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 22057205064 in words is "twenty-two billion, fifty-seven million, two hundred five thousand, sixty-four".