22736334072 has 128 divisors (see below), whose sum is σ = 63041587200. Its totient is φ = 6796720128.

The previous prime is 22736334041. The next prime is 22736334073. The reversal of 22736334072 is 27043363722.

It is a self number, because there is not a number n which added to its sum of digits gives 22736334072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22736334073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2519793 + ... + 2528799.

It is an arithmetic number, because the mean of its divisors is an integer number (492512400).

Almost surely, 2^22736334072 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 22736334072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31520793600).

22736334072 is an abundant number, since it is smaller than the sum of its proper divisors (40305253128).

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

22736334072 is a wasteful number, since it uses less digits than its factorization.

22736334072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325 (or 9321 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 39.

Adding to 22736334072 its reverse (27043363722), we get a palindrome (49779697794).

The spelling of 22736334072 in words is "twenty-two billion, seven hundred thirty-six million, three hundred thirty-four thousand, seventy-two".