298080225 has 27 divisors (see below), whose sum is σ = 534359059. Its totient is φ = 158838000.

The previous prime is 298080203. The next prime is 298080239. The reversal of 298080225 is 522080892.

The square root of 298080225 is 17265.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 107308881 + 190771344 = 10359^2 + 13812^2 .

It is not a de Polignac number, because 298080225 - 2¹⁵ = 298047457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 298080225.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 258400 + ... + 259550.

Almost surely, 2^298080225 is an apocalyptic number.

298080225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

298080225 is the 17265-th square number.

298080225 is the 8633-rd centered octagonal number.

It is an amenable number.

298080225 is a deficient number, since it is larger than the sum of its proper divisors (236278834).

298080225 is an equidigital number, since it uses as much as digits as its factorization.

298080225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The cubic root of 298080225 is about 668.0019369887.

Multiplying 298080225 by its sum of digits (36), we get a square (10730888100 = 103590²).

The spelling of 298080225 in words is "two hundred ninety-eight million, eighty thousand, two hundred twenty-five".