22127302008 has 168 divisors, whose sum is σ = 72361365480. Its totient is φ = 6322004640.

The previous prime is 22127301901. The next prime is 22127302069. The reversal of 22127302008 is 80020372122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 247053 + ... + 324483.

Almost surely, 2^22127302008 is an apocalyptic number.

22127302008 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 22127302008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36180682740).

22127302008 is an abundant number, since it is smaller than the sum of its proper divisors (50234063472).

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

22127302008 is an equidigital number, since it uses as much as digits as its factorization.

22127302008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77469 (or 77443 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 22127302008 in words is "twenty-two billion, one hundred twenty-seven million, three hundred two thousand, eight".