226405525 has 6 divisors (see below), whose sum is σ = 280742882. Its totient is φ = 181124400.

The previous prime is 226405513. The next prime is 226405549. The reversal of 226405525 is 525504622.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 23409 + 226382116 = 153^2 + 15046^2 .

It is not a de Polignac number, because 226405525 - 2¹¹ = 226403477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4528086 + ... + 4528135.

Almost surely, 2^226405525 is an apocalyptic number.

226405525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226405525 is a deficient number, since it is larger than the sum of its proper divisors (54337357).

226405525 is an equidigital number, since it uses as much as digits as its factorization.

226405525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056231 (or 9056226 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 226405525 is about 15046.7778942869. Note that the first 3 decimals coincide. The cubic root of 226405525 is about 609.4840436902.

The spelling of 226405525 in words is "two hundred twenty-six million, four hundred five thousand, five hundred twenty-five".