336665225 has 12 divisors (see below), whose sum is σ = 449577996. Its totient is φ = 248614080.

The previous prime is 336665209. The next prime is 336665233. The reversal of 336665225 is 522566633.

It can be written as a sum of positive squares in 6 ways, for example, as 114297481 + 222367744 = 10691^2 + 14912^2 .

It is not a de Polignac number, because 336665225 - 2⁴ = 336665209 is a prime.

It is a super-2 number, since 2×336665225² = 226686947448601250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517622 + ... + 518271.

It is an arithmetic number, because the mean of its divisors is an integer number (37464833).

Almost surely, 2^336665225 is an apocalyptic number.

It is an amenable number.

336665225 is a deficient number, since it is larger than the sum of its proper divisors (112912771).

336665225 is a wasteful number, since it uses less digits than its factorization.

336665225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035916 (or 1035911 counting only the distinct ones).

The product of its digits is 194400, while the sum is 38.

The square root of 336665225 is about 18348.4393069274. The cubic root of 336665225 is about 695.6638241128.

The spelling of 336665225 in words is "three hundred thirty-six million, six hundred sixty-five thousand, two hundred twenty-five".