225339550992 has 160 divisors (see below), whose sum is σ = 681160867200. Its totient is φ = 71127424512.

The previous prime is 225339550987. The next prime is 225339550999. The reversal of 225339550992 is 299055933522.

225339550992 is a `hidden beast` number, since 2 + 2 + 53 + 39 + 550 + 9 + 9 + 2 = 666.

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 (225339550999) 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 31 ways as a sum of consecutive naturals, for example, 23281258 + ... + 23290934.

It is an arithmetic number, because the mean of its divisors is an integer number (4257255420).

Almost surely, 2^225339550992 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 225339550992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340580433600).

225339550992 is an abundant number, since it is smaller than the sum of its proper divisors (455821316208).

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

225339550992 is a wasteful number, since it uses less digits than its factorization.

225339550992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12550 (or 12538 counting only the distinct ones).

The product of its (nonzero) digits is 6561000, while the sum is 54.

The spelling of 225339550992 in words is "two hundred twenty-five billion, three hundred thirty-nine million, five hundred fifty thousand, nine hundred ninety-two".