225220042 has 8 divisors (see below), whose sum is σ = 338637600. Its totient is φ = 112340844.

The previous prime is 225220027. The next prime is 225220069. The reversal of 225220042 is 240022522.

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

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, 133542 + ... + 135217.

It is an arithmetic number, because the mean of its divisors is an integer number (42329700).

Almost surely, 2^225220042 is an apocalyptic number.

225220042 is a deficient number, since it is larger than the sum of its proper divisors (113417558).

225220042 is a wasteful number, since it uses less digits than its factorization.

225220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269180.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 225220042 is about 15007.3329409326. The cubic root of 225220042 is about 608.4184075344.

Adding to 225220042 its reverse (240022522), we get a palindrome (465242564).

The spelling of 225220042 in words is "two hundred twenty-five million, two hundred twenty thousand, forty-two".