343072225 has 6 divisors (see below), whose sum is σ = 425409590. Its totient is φ = 274457760.

The previous prime is 343072201. The next prime is 343072231. The reversal of 343072225 is 522270343.

It can be written as a sum of positive squares in 3 ways, for example, as 341056 + 342731169 = 584^2 + 18513^2 .

It is not a de Polignac number, because 343072225 - 2⁷ = 343072097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343072193 and 343072202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6861420 + ... + 6861469.

Almost surely, 2^343072225 is an apocalyptic number.

It is an amenable number.

343072225 is a deficient number, since it is larger than the sum of its proper divisors (82337365).

343072225 is a wasteful number, since it uses less digits than its factorization.

343072225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13722899 (or 13722894 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 343072225 is about 18522.2089665353. The cubic root of 343072225 is about 700.0491292049.

The spelling of 343072225 in words is "three hundred forty-three million, seventy-two thousand, two hundred twenty-five".