22197706608 has 160 divisors (see below), whose sum is σ = 71552420352. Its totient is φ = 5760921600.

The previous prime is 22197706579. The next prime is 22197706651. The reversal of 22197706608 is 80660779122.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8429260 + ... + 8431892.

Almost surely, 2^22197706608 is an apocalyptic number.

22197706608 is a gapful number since it is divisible by the number (28) 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 22197706608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35776210176).

22197706608 is an abundant number, since it is smaller than the sum of its proper divisors (49354713744).

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

22197706608 is a wasteful number, since it uses less digits than its factorization.

22197706608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943 (or 4937 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 22197706608 in words is "twenty-two billion, one hundred ninety-seven million, seven hundred six thousand, six hundred eight".