225403346305 has 4 divisors (see below), whose sum is σ = 270484015572. Its totient is φ = 180322677040.

The previous prime is 225403346291. The next prime is 225403346369. The reversal of 225403346305 is 503643304522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 85203274816 + 140200071489 = 291896^2 + 374433^2 .

It is not a de Polignac number, because 225403346305 - 2⁷ = 225403346177 is a prime.

It is a Duffinian 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, 22540334626 + ... + 22540334635.

It is an arithmetic number, because the mean of its divisors is an integer number (67621003893).

Almost surely, 2^225403346305 is an apocalyptic number.

It is an amenable number.

225403346305 is a deficient number, since it is larger than the sum of its proper divisors (45080669267).

225403346305 is an equidigital number, since it uses as much as digits as its factorization.

225403346305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45080669266.

The product of its (nonzero) digits is 259200, while the sum is 37.

The spelling of 225403346305 in words is "two hundred twenty-five billion, four hundred three million, three hundred forty-six thousand, three hundred five".