22117769472 has 144 divisors (see below), whose sum is σ = 60605254080. Its totient is φ = 7156531200.

The previous prime is 22117769459. The next prime is 22117769477. The reversal of 22117769472 is 27496771122.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (22117769477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6642304 + ... + 6645632.

It is an arithmetic number, because the mean of its divisors is an integer number (420869820).

Almost surely, 2^22117769472 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 22117769472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30302627040).

22117769472 is an abundant number, since it is smaller than the sum of its proper divisors (38487484608).

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

22117769472 is a wasteful number, since it uses less digits than its factorization.

22117769472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600 (or 3586 counting only the distinct ones).

The product of its digits is 592704, while the sum is 48.

The spelling of 22117769472 in words is "twenty-two billion, one hundred seventeen million, seven hundred sixty-nine thousand, four hundred seventy-two".