225890446 has 4 divisors (see below), whose sum is σ = 338835672. Its totient is φ = 112945222.

The previous prime is 225890419. The next prime is 225890447. The reversal of 225890446 is 644098522.

225890446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 225890399 and 225890408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225890447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56472610 + ... + 56472613.

It is an arithmetic number, because the mean of its divisors is an integer number (84708918).

Almost surely, 2^225890446 is an apocalyptic number.

225890446 is a deficient number, since it is larger than the sum of its proper divisors (112945226).

225890446 is a wasteful number, since it uses less digits than its factorization.

225890446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112945225.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 225890446 is about 15029.6522248520. The cubic root of 225890446 is about 609.0214949052.

The spelling of 225890446 in words is "two hundred twenty-five million, eight hundred ninety thousand, four hundred forty-six".