180190225 has 12 divisors (see below), whose sum is σ = 236579724. Its totient is φ = 135672320.

The previous prime is 180190217. The next prime is 180190229. The reversal of 180190225 is 522091081.

It can be written as a sum of positive squares in 6 ways, for example, as 844561 + 179345664 = 919^2 + 13392^2 .

It is not a de Polignac number, because 180190225 - 2³ = 180190217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 180190193 and 180190202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180190229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211564 + ... + 212413.

It is an arithmetic number, because the mean of its divisors is an integer number (19714977).

Almost surely, 2^180190225 is an apocalyptic number.

It is an amenable number.

180190225 is a deficient number, since it is larger than the sum of its proper divisors (56389499).

180190225 is a wasteful number, since it uses less digits than its factorization.

180190225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424004 (or 423999 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 180190225 is about 13423.4952601772. The cubic root of 180190225 is about 564.8204457247.

The spelling of 180190225 in words is "one hundred eighty million, one hundred ninety thousand, two hundred twenty-five".