22932227440 has 80 divisors (see below), whose sum is σ = 54419374080. Its totient is φ = 8985150720.

The previous prime is 22932227419. The next prime is 22932227443. The reversal of 22932227440 is 4472223922.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 22932227440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22932227443) 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, 788355 + ... + 816925.

It is an arithmetic number, because the mean of its divisors is an integer number (680242176).

Almost surely, 2^22932227440 is an apocalyptic number.

22932227440 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 22932227440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27209687040).

22932227440 is an abundant number, since it is smaller than the sum of its proper divisors (31487146640).

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

22932227440 is a wasteful number, since it uses less digits than its factorization.

22932227440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28790 (or 28784 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 22932227440 in words is "twenty-two billion, nine hundred thirty-two million, two hundred twenty-seven thousand, four hundred forty".