22130847816 has 256 divisors, whose sum is σ = 74385561600. Its totient is φ = 5312563200.

The previous prime is 22130847811. The next prime is 22130847847. The reversal of 22130847816 is 61874803122.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (22130847811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1431906 + ... + 1447278.

It is an arithmetic number, because the mean of its divisors is an integer number (290568600).

Almost surely, 2^22130847816 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 22130847816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37192780800).

22130847816 is an abundant number, since it is smaller than the sum of its proper divisors (52254713784).

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

22130847816 is a wasteful number, since it uses less digits than its factorization.

22130847816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15460 (or 15456 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 22130847816 in words is "twenty-two billion, one hundred thirty million, eight hundred forty-seven thousand, eight hundred sixteen".