343412225 has 18 divisors (see below), whose sum is σ = 461112786. Its totient is φ = 253593600.

The previous prime is 343412219. The next prime is 343412231. The reversal of 343412225 is 522214343.

It is an interprime number because it is at equal distance from previous prime (343412219) and next prime (343412231).

It can be written as a sum of positive squares in 9 ways, for example, as 116035984 + 227376241 = 10772^2 + 15079^2 .

It is not a de Polignac number, because 343412225 - 2⁸ = 343411969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343412194 and 343412203.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36416 + ... + 44865.

It is an arithmetic number, because the mean of its divisors is an integer number (25617377).

Almost surely, 2^343412225 is an apocalyptic number.

It is an amenable number.

343412225 is a deficient number, since it is larger than the sum of its proper divisors (117700561).

343412225 is a wasteful number, since it uses less digits than its factorization.

343412225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81317 (or 81299 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 343412225 is about 18531.3848646020. The cubic root of 343412225 is about 700.2803129046.

Adding to 343412225 its reverse (522214343), we get a palindrome (865626568).

The spelling of 343412225 in words is "three hundred forty-three million, four hundred twelve thousand, two hundred twenty-five".