225870343 has 4 divisors (see below), whose sum is σ = 225900880. Its totient is φ = 225839808.

The previous prime is 225870301. The next prime is 225870377. The reversal of 225870343 is 343078522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 343078522 = 2 ⋅171539261.

It is a cyclic number.

It is not a de Polignac number, because 225870343 - 2¹³ = 225862151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225870299 and 225870308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225870943) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3598 + ... + 21556.

It is an arithmetic number, because the mean of its divisors is an integer number (56475220).

Almost surely, 2^225870343 is an apocalyptic number.

225870343 is a deficient number, since it is larger than the sum of its proper divisors (30537).

225870343 is a wasteful number, since it uses less digits than its factorization.

225870343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30536.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 225870343 is about 15028.9834320223. The cubic root of 225870343 is about 609.0034278547.

The spelling of 225870343 in words is "two hundred twenty-five million, eight hundred seventy thousand, three hundred forty-three".