225174742 has 16 divisors (see below), whose sum is σ = 364336560. Its totient is φ = 103757472.

The previous prime is 225174737. The next prime is 225174749. The reversal of 225174742 is 247471522.

It is a junction number, because it is equal to n+sod(n) for n = 225174698 and 225174707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225174749) 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 in 7 ways as a sum of consecutive naturals, for example, 9984 + ... + 23452.

It is an arithmetic number, because the mean of its divisors is an integer number (22771035).

Almost surely, 2^225174742 is an apocalyptic number.

225174742 is a deficient number, since it is larger than the sum of its proper divisors (139161818).

225174742 is a wasteful number, since it uses less digits than its factorization.

225174742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14127.

The product of its digits is 31360, while the sum is 34.

The square root of 225174742 is about 15005.8236028550. The cubic root of 225174742 is about 608.3776130568.

The spelling of 225174742 in words is "two hundred twenty-five million, one hundred seventy-four thousand, seven hundred forty-two".