22333769640 has 768 divisors, whose sum is σ = 95952729600. Its totient is φ = 4373471232.

The previous prime is 22333769599. The next prime is 22333769641. The reversal of 22333769640 is 4696733322.

22333769640 is a `hidden beast` number, since 2 + 233 + 376 + 9 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (22333769641) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 32988982 + ... + 32989658.

It is an arithmetic number, because the mean of its divisors is an integer number (124938450).

Almost surely, 2^22333769640 is an apocalyptic number.

22333769640 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 22333769640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47976364800).

22333769640 is an abundant number, since it is smaller than the sum of its proper divisors (73618959960).

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

22333769640 is a wasteful number, since it uses less digits than its factorization.

22333769640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 45.

The spelling of 22333769640 in words is "twenty-two billion, three hundred thirty-three million, seven hundred sixty-nine thousand, six hundred forty".