225236 has 12 divisors (see below), whose sum is σ = 430080. Its totient is φ = 102360.

The previous prime is 225227. The next prime is 225241. The reversal of 225236 is 632522.

225236 = T₂₇₁ + T₂₇₂ + ... + T₂₇₆.

It is a happy number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2⁷ + 2⁸ + 2¹⁰ + 5² + 3¹¹ + 6⁶ .

It is a congruent number.

It is an unprimeable number.

225236 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2516 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (35840).

2²²⁵²³⁶ is an apocalyptic number.

It is an amenable number.

225236 is a deficient number, since it is larger than the sum of its proper divisors (204844).

225236 is a wasteful number, since it uses less digits than its factorization.

225236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134 (or 5132 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 225236 is about 474.5903496701. The cubic root of 225236 is about 60.8432777054.

Adding to 225236 its reverse (632522), we get a palindrome (857758).

The spelling of 225236 in words is "two hundred twenty-five thousand, two hundred thirty-six".