225753722 has 4 divisors (see below), whose sum is σ = 338630586. Its totient is φ = 112876860.

The previous prime is 225753721. The next prime is 225753733. The reversal of 225753722 is 227357522.

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., 181144681 + 44609041 = 13459^2 + 6679^2 .

It is not an unprimeable number, because it can be changed into a prime (225753721) 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, 56438429 + ... + 56438432.

Almost surely, 2^225753722 is an apocalyptic number.

225753722 is a deficient number, since it is larger than the sum of its proper divisors (112876864).

225753722 is a wasteful number, since it uses less digits than its factorization.

225753722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112876863.

The product of its digits is 58800, while the sum is 35.

The square root of 225753722 is about 15025.1030612106. The cubic root of 225753722 is about 608.8985965980.

The spelling of 225753722 in words is "two hundred twenty-five million, seven hundred fifty-three thousand, seven hundred twenty-two".