225943426 has 4 divisors (see below), whose sum is σ = 338915142. Its totient is φ = 112971712.

The previous prime is 225943373. The next prime is 225943427. The reversal of 225943426 is 624349522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 197374401 + 28569025 = 14049^2 + 5345^2 .

It is not an unprimeable number, because it can be changed into a prime (225943427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56485855 + ... + 56485858.

Almost surely, 2^225943426 is an apocalyptic number.

225943426 is a deficient number, since it is larger than the sum of its proper divisors (112971716).

225943426 is a wasteful number, since it uses less digits than its factorization.

225943426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112971715.

The product of its digits is 103680, while the sum is 37.

The square root of 225943426 is about 15031.4146373520. The cubic root of 225943426 is about 609.0691041736.

The spelling of 225943426 in words is "two hundred twenty-five million, nine hundred forty-three thousand, four hundred twenty-six".