225787742 has 8 divisors (see below), whose sum is σ = 341970096. Its totient is φ = 111797712.

The previous prime is 225787741. The next prime is 225787747. The reversal of 225787742 is 247787522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 225787693 and 225787702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225787741) 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 in 3 ways as a sum of consecutive naturals, for example, 547823 + ... + 548234.

It is an arithmetic number, because the mean of its divisors is an integer number (42746262).

Almost surely, 2^225787742 is an apocalyptic number.

225787742 is a deficient number, since it is larger than the sum of its proper divisors (116182354).

225787742 is a wasteful number, since it uses less digits than its factorization.

225787742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096162.

The product of its digits is 439040, while the sum is 44.

The square root of 225787742 is about 15026.2351239424. The cubic root of 225787742 is about 608.9291810917.

The spelling of 225787742 in words is "two hundred twenty-five million, seven hundred eighty-seven thousand, seven hundred forty-two".