225194485 has 4 divisors (see below), whose sum is σ = 270233388. Its totient is φ = 180155584.

The previous prime is 225194467. The next prime is 225194491. The reversal of 225194485 is 584491522.

It is a happy number.

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 58629649 + 166564836 = 7657^2 + 12906^2 .

It is a cyclic number.

It is not a de Polignac number, because 225194485 - 2¹⁷ = 225063413 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, 22519444 + ... + 22519453.

It is an arithmetic number, because the mean of its divisors is an integer number (67558347).

Almost surely, 2^225194485 is an apocalyptic number.

It is an amenable number.

225194485 is a deficient number, since it is larger than the sum of its proper divisors (45038903).

225194485 is an equidigital number, since it uses as much as digits as its factorization.

225194485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45038902.

The product of its digits is 115200, while the sum is 40.

The square root of 225194485 is about 15006.4814330342. The cubic root of 225194485 is about 608.3953930974.

The spelling of 225194485 in words is "two hundred twenty-five million, one hundred ninety-four thousand, four hundred eighty-five".