225573422 has 16 divisors (see below), whose sum is σ = 351222144. Its totient is φ = 108540000.

The previous prime is 225573419. The next prime is 225573433. The reversal of 225573422 is 224375522.

Added to its reverse (224375522) it gives a square (449948944 = 21212²).

225573422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1172 + ... + 21272.

It is an arithmetic number, because the mean of its divisors is an integer number (21951384).

Almost surely, 2^225573422 is an apocalyptic number.

225573422 is a deficient number, since it is larger than the sum of its proper divisors (125648722).

225573422 is a wasteful number, since it uses less digits than its factorization.

225573422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20315.

The product of its digits is 33600, while the sum is 32.

The square root of 225573422 is about 15019.1019039089. The cubic root of 225573422 is about 608.7364528606.

Adding to 225573422 its reverse (224375522), we get a square (449948944 = 21212²).

The spelling of 225573422 in words is "two hundred twenty-five million, five hundred seventy-three thousand, four hundred twenty-two".