22288438995552 has 384 divisors, whose sum is σ = 71648667417600. Its totient is φ = 6709423767552.

The previous prime is 22288438995539. The next prime is 22288438995607. The reversal of 22288438995552 is 25559983488222.

22288438995552 is a `hidden beast` number, since 2 + 2 + 2 + 8 + 8 + 438 + 99 + 55 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110526688 + ... + 110728160.

It is an arithmetic number, because the mean of its divisors is an integer number (186585071400).

Almost surely, 2^{22288438995552} 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 22288438995552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35824333708800).

22288438995552 is an abundant number, since it is smaller than the sum of its proper divisors (49360228422048).

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

22288438995552 is a wasteful number, since it uses less digits than its factorization.

22288438995552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201827 (or 201813 counting only the distinct ones).

The product of its digits is 995328000, while the sum is 72.

The spelling of 22288438995552 in words is "twenty-two trillion, two hundred eighty-eight billion, four hundred thirty-eight million, nine hundred ninety-five thousand, five hundred fifty-two".