22035135668 has 96 divisors (see below), whose sum is σ = 49469521920. Its totient is φ = 8353653120.

The previous prime is 22035135649. The next prime is 22035135679. The reversal of 22035135668 is 86653153022.

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, 1152773 + ... + 1171731.

It is an arithmetic number, because the mean of its divisors is an integer number (515307520).

Almost surely, 2^22035135668 is an apocalyptic number.

22035135668 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 22035135668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24734760960).

22035135668 is an abundant number, since it is smaller than the sum of its proper divisors (27434386252).

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

22035135668 is a wasteful number, since it uses less digits than its factorization.

22035135668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19117 (or 19115 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 22035135668 in words is "twenty-two billion, thirty-five million, one hundred thirty-five thousand, six hundred sixty-eight".