22667247072 has 72 divisors (see below), whose sum is σ = 64635925536. Its totient is φ = 7535126016.

The previous prime is 22667247037. The next prime is 22667247077. The reversal of 22667247072 is 27074276622.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22667247077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1533 + ... + 212924.

It is an arithmetic number, because the mean of its divisors is an integer number (897721188).

Almost surely, 2^22667247072 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 22667247072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32317962768).

22667247072 is an abundant number, since it is smaller than the sum of its proper divisors (41968678464).

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

22667247072 is a wasteful number, since it uses less digits than its factorization.

22667247072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214840 (or 214829 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 22667247072 in words is "twenty-two billion, six hundred sixty-seven million, two hundred forty-seven thousand, seventy-two".