225538349 has 4 divisors (see below), whose sum is σ = 225765564. Its totient is φ = 225311136.

The previous prime is 225538333. The next prime is 225538351. The reversal of 225538349 is 943835522.

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 121396324 + 104142025 = 11018^2 + 10205^2 .

It is a cyclic number.

It is not a de Polignac number, because 225538349 - 2⁴ = 225538333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225538319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112112 + ... + 114105.

It is an arithmetic number, because the mean of its divisors is an integer number (56441391).

Almost surely, 2^225538349 is an apocalyptic number.

It is an amenable number.

225538349 is a deficient number, since it is larger than the sum of its proper divisors (227215).

225538349 is an equidigital number, since it uses as much as digits as its factorization.

225538349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227214.

The product of its digits is 259200, while the sum is 41.

The square root of 225538349 is about 15017.9342454280. The cubic root of 225538349 is about 608.7049016846.

It can be divided in two parts, 2255 and 38349, that added together give a palindrome (40604).

The spelling of 225538349 in words is "two hundred twenty-five million, five hundred thirty-eight thousand, three hundred forty-nine".