225020042 has 8 divisors (see below), whose sum is σ = 363493956. Its totient is φ = 103855392.

The previous prime is 225019999. The next prime is 225020057. The reversal of 225020042 is 240020522.

225020042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 221444161 + 3575881 = 14881^2 + 1891^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 225020042.

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, 4327283 + ... + 4327334.

Almost surely, 2^225020042 is an apocalyptic number.

225020042 is a deficient number, since it is larger than the sum of its proper divisors (138473914).

225020042 is a wasteful number, since it uses less digits than its factorization.

225020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654632.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 225020042 is about 15000.6680517902. The cubic root of 225020042 is about 608.2382582052.

Adding to 225020042 its reverse (240020522), we get a palindrome (465040564).

The spelling of 225020042 in words is "two hundred twenty-five million, twenty thousand, forty-two".