22287520204992 has 448 divisors, whose sum is σ = 76587641876480. Its totient is φ = 6302187970560.

The previous prime is 22287520204973. The next prime is 22287520205017. The reversal of 22287520204992 is 29940202578222.

22287520204992 is a `hidden beast` number, since 2 + 2 + 2 + 8 + 7 + 520 + 20 + 4 + 9 + 92 = 666.

22287520204992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 94921017 + ... + 95155527.

It is an arithmetic number, because the mean of its divisors is an integer number (170954557760).

Almost surely, 2^{22287520204992} 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 22287520204992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38293820938240).

22287520204992 is an abundant number, since it is smaller than the sum of its proper divisors (54300121671488).

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

22287520204992 is an frugal number, since it uses more digits than its factorization.

22287520204992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234648 (or 234620 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 22287520204992 in words is "twenty-two trillion, two hundred eighty-seven billion, five hundred twenty million, two hundred four thousand, nine hundred ninety-two".