225841317858 has 80 divisors (see below), whose sum is σ = 545809239360. Its totient is φ = 69383762784.

The previous prime is 225841317857. The next prime is 225841317899. The reversal of 225841317858 is 858713148522.

It is a happy number.

225841317858 is a `hidden beast` number, since 2 + 2 + 5 + 8 + 413 + 178 + 58 = 666.

225841317858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (225841317857) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 1306491 + ... + 1469217.

It is an arithmetic number, because the mean of its divisors is an integer number (6822615492).

Almost surely, 2^225841317858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225841317858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272904619680).

225841317858 is an abundant number, since it is smaller than the sum of its proper divisors (319967921502).

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

225841317858 is a wasteful number, since it uses less digits than its factorization.

225841317858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163413 (or 163404 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 54.

The spelling of 225841317858 in words is "two hundred twenty-five billion, eight hundred forty-one million, three hundred seventeen thousand, eight hundred fifty-eight".