225088705 has 4 divisors (see below), whose sum is σ = 270106452. Its totient is φ = 180070960.

The previous prime is 225088697. The next prime is 225088751. The reversal of 225088705 is 507880522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507880522 = 2 ⋅253940261.

It can be written as a sum of positive squares in 2 ways, for example, as 28976689 + 196112016 = 5383^2 + 14004^2 .

It is not a de Polignac number, because 225088705 - 2³ = 225088697 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22508866 + ... + 22508875.

It is an arithmetic number, because the mean of its divisors is an integer number (67526613).

Almost surely, 2^225088705 is an apocalyptic number.

It is an amenable number.

225088705 is a deficient number, since it is larger than the sum of its proper divisors (45017747).

225088705 is an equidigital number, since it uses as much as digits as its factorization.

225088705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45017746.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 225088705 is about 15002.9565419620. The cubic root of 225088705 is about 608.3001182007.

It can be divided in two parts, 22508 and 8705, that added together give a palindrome (31213).

The spelling of 225088705 in words is "two hundred twenty-five million, eighty-eight thousand, seven hundred five".