22267813356 has 72 divisors (see below), whose sum is σ = 58557779280. Its totient is φ = 7399086912.

The previous prime is 22267813343. The next prime is 22267813411. The reversal of 22267813356 is 65331876222.

22267813356 is a `hidden beast` number, since 2 + 226 + 78 + 1 + 3 + 356 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271990 + ... + 344258.

It is an arithmetic number, because the mean of its divisors is an integer number (813302490).

Almost surely, 2^22267813356 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 22267813356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29278889640).

22267813356 is an abundant number, since it is smaller than the sum of its proper divisors (36289965924).

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

22267813356 is a wasteful number, since it uses less digits than its factorization.

22267813356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72605 (or 72591 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 22267813356 in words is "twenty-two billion, two hundred sixty-seven million, eight hundred thirteen thousand, three hundred fifty-six".