225019330 has 8 divisors (see below), whose sum is σ = 405034812. Its totient is φ = 90007728.

The previous prime is 225019321. The next prime is 225019331. The reversal of 225019330 is 33910522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 217061289 + 7958041 = 14733^2 + 2821^2 .

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 = 225019295 and 225019304.

It is not an unprimeable number, because it can be changed into a prime (225019331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11250957 + ... + 11250976.

Almost surely, 2^225019330 is an apocalyptic number.

225019330 is a deficient number, since it is larger than the sum of its proper divisors (180015482).

225019330 is a wasteful number, since it uses less digits than its factorization.

225019330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22501940.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 225019330 is about 15000.6443194951. The cubic root of 225019330 is about 608.2376166830.

Adding to 225019330 its reverse (33910522), we get a palindrome (258929852).

The spelling of 225019330 in words is "two hundred twenty-five million, nineteen thousand, three hundred thirty".