22356819072 has 640 divisors, whose sum is σ = 82780262400. Its totient is φ = 5845063680.

The previous prime is 22356819059. The next prime is 22356819073. The reversal of 22356819072 is 27091865322.

22356819072 is a `hidden beast` number, since 2 + 2 + 3 + 568 + 19 + 0 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (22356819073) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 42747003 + ... + 42747525.

It is an arithmetic number, because the mean of its divisors is an integer number (129344160).

Almost surely, 2^22356819072 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 22356819072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41390131200).

22356819072 is an abundant number, since it is smaller than the sum of its proper divisors (60423443328).

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

22356819072 is a wasteful number, since it uses less digits than its factorization.

22356819072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 22356819072 in words is "twenty-two billion, three hundred fifty-six million, eight hundred nineteen thousand, seventy-two".