22501033450500 has 192 divisors, whose sum is σ = 71745384372480. Its totient is φ = 5434516864000.

The previous prime is 22501033450487. The next prime is 22501033450501. The reversal of 22501033450500 is 505433010522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22501033450501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1903744 + ... + 6973256.

It is an arithmetic number, because the mean of its divisors is an integer number (373673876940).

Almost surely, 2^{22501033450500} is an apocalyptic number.

22501033450500 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 22501033450500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35872692186240).

22501033450500 is an abundant number, since it is smaller than the sum of its proper divisors (49244350921980).

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

22501033450500 is a wasteful number, since it uses less digits than its factorization.

22501033450500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069815 (or 5069803 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 22501033450500 in words is "twenty-two trillion, five hundred one billion, thirty-three million, four hundred fifty thousand, five hundred".