299444256225 has 45 divisors (see below), whose sum is σ = 539160765715. Its totient is φ = 158867458800.

The previous prime is 299444256193. The next prime is 299444256233. The reversal of 299444256225 is 522652444992.

The square root of 299444256225 is 547215.

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

299444256225 is a `hidden beast` number, since 2 + 9 + 9 + 4 + 4 + 4 + 2 + 5 + 622 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 107799932241 + 191644323984 = 328329^2 + 437772^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 299444256225 - 2⁵ = 299444256193 is a prime.

It is a super-2 number, since 2×299444256225² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 44 ways as a sum of consecutive naturals, for example, 1567770880 + ... + 1567771070.

Almost surely, 2^299444256225 is an apocalyptic number.

299444256225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

299444256225 is the 547215-th square number.

299444256225 is the 273608-th centered octagonal number.

It is an amenable number.

299444256225 is a deficient number, since it is larger than the sum of its proper divisors (239716509490).

299444256225 is an frugal number, since it uses more digits than its factorization.

299444256225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 199 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 299444256225 in words is "two hundred ninety-nine billion, four hundred forty-four million, two hundred fifty-six thousand, two hundred twenty-five".