22267788040 has 64 divisors (see below), whose sum is σ = 51861222000. Its totient is φ = 8594826240.

The previous prime is 22267788013. The next prime is 22267788041. The reversal of 22267788040 is 4088776222.

It can be written as a sum of positive squares in 8 ways, for example, as 19458576036 + 2809212004 = 139494^2 + 53002^2 .

It is not an unprimeable number, because it can be changed into a prime (22267788041) 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 15 ways as a sum of consecutive naturals, for example, 2348910 + ... + 2358370.

Almost surely, 2^22267788040 is an apocalyptic number.

22267788040 is a gapful number since it is divisible by the number (20) 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 22267788040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25930611000).

22267788040 is an abundant number, since it is smaller than the sum of its proper divisors (29593433960).

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

22267788040 is a wasteful number, since it uses less digits than its factorization.

22267788040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11530 (or 11526 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 22267788040 in words is "twenty-two billion, two hundred sixty-seven million, seven hundred eighty-eight thousand, forty".