545325222 has 48 divisors (see below), whose sum is σ = 1217527920. Its totient is φ = 161676480.

The previous prime is 545325199. The next prime is 545325241. The reversal of 545325222 is 222523545.

It is a self number, because there is not a number n which added to its sum of digits gives 545325222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110397 + ... + 1110887.

It is an arithmetic number, because the mean of its divisors is an integer number (25365165).

Almost surely, 2^545325222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545325222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608763960).

545325222 is an abundant number, since it is smaller than the sum of its proper divisors (672202698).

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

545325222 is a wasteful number, since it uses less digits than its factorization.

545325222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 538 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 545325222 is about 23352.1995109668. The cubic root of 545325222 is about 816.9933626332.

Adding to 545325222 its reverse (222523545), we get a palindrome (767848767).

The spelling of 545325222 in words is "five hundred forty-five million, three hundred twenty-five thousand, two hundred twenty-two".