22147061048 has 64 divisors (see below), whose sum is σ = 50119238400. Its totient is φ = 8962617600.

The previous prime is 22147061039. The next prime is 22147061089. The reversal of 22147061048 is 84016074122.

It is a junction number, because it is equal to n+sod(n) for n = 22147060999 and 22147061017.

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 15 ways as a sum of consecutive naturals, for example, 292748 + ... + 360548.

It is an arithmetic number, because the mean of its divisors is an integer number (783113100).

Almost surely, 2^22147061048 is an apocalyptic number.

22147061048 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 22147061048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25059619200).

22147061048 is an abundant number, since it is smaller than the sum of its proper divisors (27972177352).

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

22147061048 is a wasteful number, since it uses less digits than its factorization.

22147061048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68140 (or 68136 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 22147061048 in words is "twenty-two billion, one hundred forty-seven million, sixty-one thousand, forty-eight".