225869005 has 4 divisors (see below), whose sum is σ = 271042812. Its totient is φ = 180695200.

The previous prime is 225868999. The next prime is 225869011. The reversal of 225869005 is 500968522.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (225868999) and next prime (225869011).

It can be written as a sum of positive squares in 2 ways, for example, as 165945924 + 59923081 = 12882^2 + 7741^2 .

It is not a de Polignac number, because 225869005 - 2³ = 225868997 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, 22586896 + ... + 22586905.

It is an arithmetic number, because the mean of its divisors is an integer number (67760703).

Almost surely, 2^225869005 is an apocalyptic number.

It is an amenable number.

225869005 is a deficient number, since it is larger than the sum of its proper divisors (45173807).

225869005 is an equidigital number, since it uses as much as digits as its factorization.

225869005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45173806.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 225869005 is about 15028.9389179676. The cubic root of 225869005 is about 609.0022253238.

The spelling of 225869005 in words is "two hundred twenty-five million, eight hundred sixty-nine thousand, five".