22819037472 has 576 divisors, whose sum is σ = 87600973824. Its totient is φ = 5665904640.

The previous prime is 22819037471. The next prime is 22819037489. The reversal of 22819037472 is 27473091822.

22819037472 is a `hidden beast` number, since 2 + 28 + 190 + 374 + 72 = 666.

It is a super-2 number, since 2×22819037472² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22819037471) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 13770468 + ... + 13772124.

It is an arithmetic number, because the mean of its divisors is an integer number (152085024).

Almost surely, 2^22819037472 is an apocalyptic number.

22819037472 is a gapful number since it is divisible by the number (22) 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 22819037472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43800486912).

22819037472 is an abundant number, since it is smaller than the sum of its proper divisors (64781936352).

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

22819037472 is a wasteful number, since it uses less digits than its factorization.

22819037472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 22819037472 in words is "twenty-two billion, eight hundred nineteen million, thirty-seven thousand, four hundred seventy-two".