22233945312 has 240 divisors, whose sum is σ = 72882588240. Its totient is φ = 6607982592.

The previous prime is 22233945311. The next prime is 22233945319. The reversal of 22233945312 is 21354933222.

22233945312 is a `hidden beast` number, since 2 + 2 + 2 + 33 + 94 + 531 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233945311) 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 39 ways as a sum of consecutive naturals, for example, 823938 + ... + 850494.

It is an arithmetic number, because the mean of its divisors is an integer number (303677451).

Almost surely, 2^22233945312 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 22233945312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36441294120).

22233945312 is an abundant number, since it is smaller than the sum of its proper divisors (50648642928).

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

22233945312 is a wasteful number, since it uses less digits than its factorization.

22233945312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26615 (or 26598 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The spelling of 22233945312 in words is "twenty-two billion, two hundred thirty-three million, nine hundred forty-five thousand, three hundred twelve".