225405322255 has 4 divisors (see below), whose sum is σ = 270486386712. Its totient is φ = 180324257800.

The previous prime is 225405322211. The next prime is 225405322291. The reversal of 225405322255 is 552223504522.

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

It is not a de Polignac number, because 225405322255 - 2³⁷ = 87966368783 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 22540532221 + ... + 22540532230.

It is an arithmetic number, because the mean of its divisors is an integer number (67621596678).

Almost surely, 2^225405322255 is an apocalyptic number.

225405322255 is a deficient number, since it is larger than the sum of its proper divisors (45081064457).

225405322255 is an equidigital number, since it uses as much as digits as its factorization.

225405322255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45081064456.

The product of its (nonzero) digits is 240000, while the sum is 37.

Adding to 225405322255 its reverse (552223504522), we get a palindrome (777628826777).

The spelling of 225405322255 in words is "two hundred twenty-five billion, four hundred five million, three hundred twenty-two thousand, two hundred fifty-five".