298771225 has 9 divisors (see below), whose sum is σ = 370583517. Its totient is φ = 238947840.

The previous prime is 298771217. The next prime is 298771247. The reversal of 298771225 is 522177892.

The square root of 298771225 is 17285.

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

It can be written as a sum of positive squares in 4 ways, for example, as 155825289 + 142945936 = 12483^2 + 11956^2 .

It is not a de Polignac number, because 298771225 - 2³ = 298771217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 84697 + ... + 88153.

Almost surely, 2^298771225 is an apocalyptic number.

298771225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

298771225 is the 17285-th square number.

298771225 is the 8643-rd centered octagonal number.

It is an amenable number.

298771225 is a deficient number, since it is larger than the sum of its proper divisors (71812292).

298771225 is an frugal number, since it uses more digits than its factorization.

298771225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924 (or 3462 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The cubic root of 298771225 is about 668.5177188464.

The spelling of 298771225 in words is "two hundred ninety-eight million, seven hundred seventy-one thousand, two hundred twenty-five".