225524415 has 16 divisors (see below), whose sum is σ = 364414176. Its totient is φ = 119088000.

The previous prime is 225524413. The next prime is 225524417. The reversal of 225524415 is 514425522.

It is an interprime number because it is at equal distance from previous prime (225524413) and next prime (225524417).

It is not a de Polignac number, because 225524415 - 2¹ = 225524413 is a prime.

It is a super-2 number, since 2×225524415² = 101722523522184450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225524413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72916 + ... + 75945.

It is an arithmetic number, because the mean of its divisors is an integer number (22775886).

Almost surely, 2^225524415 is an apocalyptic number.

225524415 is a deficient number, since it is larger than the sum of its proper divisors (138889761).

225524415 is a wasteful number, since it uses less digits than its factorization.

225524415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148970.

The product of its digits is 16000, while the sum is 30.

The square root of 225524415 is about 15017.4703262567. The cubic root of 225524415 is about 608.6923659468.

Adding to 225524415 its reverse (514425522), we get a palindrome (739949937).

The spelling of 225524415 in words is "two hundred twenty-five million, five hundred twenty-four thousand, four hundred fifteen".