225375422 has 4 divisors (see below), whose sum is σ = 338063136. Its totient is φ = 112687710.

The previous prime is 225375421. The next prime is 225375439. The reversal of 225375422 is 224573522.

Added to its reverse (224573522) it gives a square (449948944 = 21212²).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225375421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56343854 + ... + 56343857.

It is an arithmetic number, because the mean of its divisors is an integer number (84515784).

Almost surely, 2^225375422 is an apocalyptic number.

225375422 is a deficient number, since it is larger than the sum of its proper divisors (112687714).

225375422 is a wasteful number, since it uses less digits than its factorization.

225375422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112687713.

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

The square root of 225375422 is about 15012.5088509549. The cubic root of 225375422 is about 608.5582919477.

Adding to 225375422 its reverse (224573522), we get a square (449948944 = 21212²).

The spelling of 225375422 in words is "two hundred twenty-five million, three hundred seventy-five thousand, four hundred twenty-two".