225020404345 has 32 divisors (see below), whose sum is σ = 301818908160. Its totient is φ = 159626880000.

The previous prime is 225020404277. The next prime is 225020404361. The reversal of 225020404345 is 543404020522.

It is not a de Polignac number, because 225020404345 - 2⁹ = 225020403833 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 17851045 + ... + 17863645.

It is an arithmetic number, because the mean of its divisors is an integer number (9431840880).

Almost surely, 2^225020404345 is an apocalyptic number.

It is an amenable number.

225020404345 is a deficient number, since it is larger than the sum of its proper divisors (76798503815).

225020404345 is a wasteful number, since it uses less digits than its factorization.

225020404345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20577.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 225020404345 its reverse (543404020522), we get a palindrome (768424424867).

The spelling of 225020404345 in words is "two hundred twenty-five billion, twenty million, four hundred four thousand, three hundred forty-five".