1725180228 has 96 divisors (see below), whose sum is σ = 4687441920. Its totient is φ = 547668000.

The previous prime is 1725180227. The next prime is 1725180239. The reversal of 1725180228 is 8220815271.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1725180192 and 1725180201.

It is not an unprimeable number, because it can be changed into a prime (1725180227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622101 + ... + 624867.

It is an arithmetic number, because the mean of its divisors is an integer number (48827520).

Almost surely, 2^1725180228 is an apocalyptic number.

1725180228 is a gapful number since it is divisible by the number (18) 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 1725180228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343720960).

1725180228 is an abundant number, since it is smaller than the sum of its proper divisors (2962261692).

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

1725180228 is a wasteful number, since it uses less digits than its factorization.

1725180228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3046 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1725180228 is about 41535.2889480740. The cubic root of 1725180228 is about 1199.3469196362.

Adding to 1725180228 its reverse (8220815271), we get a palindrome (9945995499).

It can be divided in two parts, 17251 and 80228, that added together give a palindrome (97479).

The spelling of 1725180228 in words is "one billion, seven hundred twenty-five million, one hundred eighty thousand, two hundred twenty-eight".