22351147008 has 104 divisors (see below), whose sum is σ = 60414588048. Its totient is φ = 7348027392.

The previous prime is 22351146911. The next prime is 22351147051. The reversal of 22351147008 is 80074115322.

It is a Cunningham number, because it is equal to 149503²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 22351147008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884566 + ... + 909482.

Almost surely, 2^22351147008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22351147008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30207294024).

22351147008 is an abundant number, since it is smaller than the sum of its proper divisors (38063441040).

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

22351147008 is an equidigital number, since it uses as much as digits as its factorization.

22351147008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25017 (or 24995 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 22351147008 in words is "twenty-two billion, three hundred fifty-one million, one hundred forty-seven thousand, eight".