225404042 has 8 divisors (see below), whose sum is σ = 340345632. Its totient is φ = 111955500.

The previous prime is 225404017. The next prime is 225404059. The reversal of 225404042 is 240404522.

225404042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 225403999 and 225404017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372884 + ... + 373487.

It is an arithmetic number, because the mean of its divisors is an integer number (42543204).

Almost surely, 2^225404042 is an apocalyptic number.

225404042 is a deficient number, since it is larger than the sum of its proper divisors (114941590).

225404042 is a wasteful number, since it uses less digits than its factorization.

225404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746524.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 225404042 is about 15013.4620257954. The cubic root of 225404042 is about 608.5840507474.

Adding to 225404042 its reverse (240404522), we get a palindrome (465808564).

The spelling of 225404042 in words is "two hundred twenty-five million, four hundred four thousand, forty-two".