225223330145 has 16 divisors (see below), whose sum is σ = 312181216128. Its totient is φ = 154163562240.

The previous prime is 225223330133. The next prime is 225223330193. The reversal of 225223330145 is 541033322522.

It is not a de Polignac number, because 225223330145 - 2⁸ = 225223329889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120439349 + ... + 120441218.

It is an arithmetic number, because the mean of its divisors is an integer number (19511326008).

Almost surely, 2^225223330145 is an apocalyptic number.

It is an amenable number.

225223330145 is a deficient number, since it is larger than the sum of its proper divisors (86957885983).

225223330145 is a wasteful number, since it uses less digits than its factorization.

225223330145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240880600.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 225223330145 its reverse (541033322522), we get a palindrome (766256652667).

The spelling of 225223330145 in words is "two hundred twenty-five billion, two hundred twenty-three million, three hundred thirty thousand, one hundred forty-five".