225310505306 has 4 divisors (see below), whose sum is σ = 337965757962. Its totient is φ = 112655252652.

The previous prime is 225310505291. The next prime is 225310505317. The reversal of 225310505306 is 603505013522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 115593880081 + 109716625225 = 339991^2 + 331235^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56327626325 + ... + 56327626328.

Almost surely, 2^225310505306 is an apocalyptic number.

225310505306 is a deficient number, since it is larger than the sum of its proper divisors (112655252656).

225310505306 is a wasteful number, since it uses less digits than its factorization.

225310505306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112655252655.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 225310505306 its reverse (603505013522), we get a palindrome (828815518828).

The spelling of 225310505306 in words is "two hundred twenty-five billion, three hundred ten million, five hundred five thousand, three hundred six".