225207826 has 8 divisors (see below), whose sum is σ = 346941900. Its totient is φ = 109560528.

The previous prime is 225207821. The next prime is 225207869. The reversal of 225207826 is 628702522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 170433025 + 54774801 = 13055^2 + 7401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 225207791 and 225207800.

It is not an unprimeable number, because it can be changed into a prime (225207821) 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, 1521601 + ... + 1521748.

Almost surely, 2^225207826 is an apocalyptic number.

225207826 is a deficient number, since it is larger than the sum of its proper divisors (121734074).

225207826 is a wasteful number, since it uses less digits than its factorization.

225207826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043388.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 225207826 is about 15006.9259343811. The cubic root of 225207826 is about 608.4074070723.

The spelling of 225207826 in words is "two hundred twenty-five million, two hundred seven thousand, eight hundred twenty-six".