2898207225 has 81 divisors (see below), whose sum is σ = 5390668647. Its totient is φ = 1488430080.

The previous prime is 2898207217. The next prime is 2898207227. The reversal of 2898207225 is 5227028982.

The square root of 2898207225 is 53835.

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

It can be written as a sum of positive squares in 13 ways, for example, as 723663801 + 2174543424 = 26901^2 + 46632^2 .

It is not a de Polignac number, because 2898207225 - 2³ = 2898207217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2898207227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 29878377 + ... + 29878473.

Almost surely, 2^2898207225 is an apocalyptic number.

2898207225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2898207225 is the 53835-th square number.

2898207225 is the 26918-th centered octagonal number.

It is an amenable number.

2898207225 is a deficient number, since it is larger than the sum of its proper divisors (2492461422).

2898207225 is an equidigital number, since it uses as much as digits as its factorization.

2898207225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The cubic root of 2898207225 is about 1425.7492274289.

The spelling of 2898207225 in words is "two billion, eight hundred ninety-eight million, two hundred seven thousand, two hundred twenty-five".