22354108851256 has 256 divisors, whose sum is σ = 53597065052160. Its totient is φ = 8504769208320.

The previous prime is 22354108851241. The next prime is 22354108851281. The reversal of 22354108851256 is 65215880145322.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 927044256 + ... + 927068368.

It is an arithmetic number, because the mean of its divisors is an integer number (209363535360).

Almost surely, 2^{22354108851256} is an apocalyptic number.

22354108851256 is a gapful number since it is divisible by the number (26) 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 22354108851256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26798532526080).

22354108851256 is an abundant number, since it is smaller than the sum of its proper divisors (31242956200904).

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

22354108851256 is a wasteful number, since it uses less digits than its factorization.

22354108851256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24574 (or 24570 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 52.

Adding to 22354108851256 its reverse (65215880145322), we get a palindrome (87569988996578).

The spelling of 22354108851256 in words is "twenty-two trillion, three hundred fifty-four billion, one hundred eight million, eight hundred fifty-one thousand, two hundred fifty-six".