22501206000 has 1280 divisors, whose sum is σ = 104859955200. Its totient is φ = 4478976000.

The previous prime is 22501205963. The next prime is 22501206037. The reversal of 22501206000 is 60210522.

22501206000 is a `hidden beast` number, since 2 + 2 + 50 + 12 + 0 + 600 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22501205963) and next prime (22501206037).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 93365880 + ... + 93366120.

It is an arithmetic number, because the mean of its divisors is an integer number (81921840).

Almost surely, 2^22501206000 is an apocalyptic number.

22501206000 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 22501206000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52429977600).

22501206000 is an abundant number, since it is smaller than the sum of its proper divisors (82358749200).

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

22501206000 is a wasteful number, since it uses less digits than its factorization.

22501206000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 22501206000 its reverse (60210522), we get a palindrome (22561416522).

The spelling of 22501206000 in words is "twenty-two billion, five hundred one million, two hundred six thousand".