299938225 has 12 divisors (see below), whose sum is σ = 393801804. Its totient is φ = 225835520.

The previous prime is 299938211. The next prime is 299938267. The reversal of 299938225 is 522839992.

It can be written as a sum of positive squares in 6 ways, for example, as 16386304 + 283551921 = 4048^2 + 16839^2 .

It is not a de Polignac number, because 299938225 - 2⁹ = 299937713 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 352444 + ... + 353293.

It is an arithmetic number, because the mean of its divisors is an integer number (32816817).

Almost surely, 2^299938225 is an apocalyptic number.

299938225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

299938225 is a deficient number, since it is larger than the sum of its proper divisors (93863579).

299938225 is a wasteful number, since it uses less digits than its factorization.

299938225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705764 (or 705759 counting only the distinct ones).

The product of its digits is 699840, while the sum is 49.

The square root of 299938225 is about 17318.7246932330. The cubic root of 299938225 is about 669.3869977940.

The spelling of 299938225 in words is "two hundred ninety-nine million, nine hundred thirty-eight thousand, two hundred twenty-five".