225415415 has 16 divisors (see below), whose sum is σ = 283170816. Its totient is φ = 172048800.

The previous prime is 225415381. The next prime is 225415423. The reversal of 225415415 is 514514522.

It is not a de Polignac number, because 225415415 - 2¹⁰ = 225414391 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 764 + ... + 21246.

It is an arithmetic number, because the mean of its divisors is an integer number (17698176).

Almost surely, 2^225415415 is an apocalyptic number.

225415415 is a deficient number, since it is larger than the sum of its proper divisors (57755401).

225415415 is a wasteful number, since it uses less digits than its factorization.

225415415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20590.

The product of its digits is 8000, while the sum is 29.

The square root of 225415415 is about 15013.8407810926. The cubic root of 225415415 is about 608.5942861599.

Adding to 225415415 its reverse (514514522), we get a palindrome (739929937).

The spelling of 225415415 in words is "two hundred twenty-five million, four hundred fifteen thousand, four hundred fifteen".