225135105 has 16 divisors (see below), whose sum is σ = 387925440. Its totient is φ = 110835648.

The previous prime is 225135083. The next prime is 225135133. The reversal of 225135105 is 501531522.

It is a happy number.

It is not a de Polignac number, because 225135105 - 2⁹ = 225134593 is a prime.

It is a super-2 number, since 2×225135105² = 101371631006722050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577075 + ... + 577464.

It is an arithmetic number, because the mean of its divisors is an integer number (24245340).

Almost surely, 2^225135105 is an apocalyptic number.

It is an amenable number.

225135105 is a deficient number, since it is larger than the sum of its proper divisors (162790335).

225135105 is a wasteful number, since it uses less digits than its factorization.

225135105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154560.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 225135105 is about 15004.5028241525. The cubic root of 225135105 is about 608.3419138507.

Adding to 225135105 its reverse (501531522), we get a palindrome (726666627).

The spelling of 225135105 in words is "two hundred twenty-five million, one hundred thirty-five thousand, one hundred five".