22122622800 has 720 divisors, whose sum is σ = 83729085440. Its totient is φ = 5604318720.

The previous prime is 22122622793. The next prime is 22122622813. The reversal of 22122622800 is 822622122.

22122622800 is a `hidden beast` number, since 22 + 12 + 2 + 622 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 280033161 + ... + 280033239.

Almost surely, 2^22122622800 is an apocalyptic number.

22122622800 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 22122622800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41864542720).

22122622800 is an abundant number, since it is smaller than the sum of its proper divisors (61606462640).

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

22122622800 is a wasteful number, since it uses less digits than its factorization.

22122622800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 22122622800 in words is "twenty-two billion, one hundred twenty-two million, six hundred twenty-two thousand, eight hundred".