225839133 has 12 divisors (see below), whose sum is σ = 351305500. Its totient is φ = 138977856.

The previous prime is 225839129. The next prime is 225839137. The reversal of 225839133 is 331938522.

It is an interprime number because it is at equal distance from previous prime (225839129) and next prime (225839137).

It can be written as a sum of positive squares in 2 ways, for example, as 92505924 + 133333209 = 9618^2 + 11547^2 .

It is not a de Polignac number, because 225839133 - 2² = 225839129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225839137) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 965008 + ... + 965241.

Almost surely, 2^225839133 is an apocalyptic number.

It is an amenable number.

225839133 is a deficient number, since it is larger than the sum of its proper divisors (125466367).

225839133 is a wasteful number, since it uses less digits than its factorization.

225839133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930268 (or 1930265 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 225839133 is about 15027.9450691038. The cubic root of 225839133 is about 608.9753765514.

The spelling of 225839133 in words is "two hundred twenty-five million, eight hundred thirty-nine thousand, one hundred thirty-three".