225505534 has 8 divisors (see below), whose sum is σ = 339040800. Its totient is φ = 112491936.

The previous prime is 225505529. The next prime is 225505549. The reversal of 225505534 is 435505522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 225505496 and 225505505.

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 3 ways as a sum of consecutive naturals, for example, 129334 + ... + 131065.

It is an arithmetic number, because the mean of its divisors is an integer number (42380100).

Almost surely, 2^225505534 is an apocalyptic number.

225505534 is a deficient number, since it is larger than the sum of its proper divisors (113535266).

225505534 is a wasteful number, since it uses less digits than its factorization.

225505534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260834.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 225505534 is about 15016.8416785954. The cubic root of 225505534 is about 608.6753788115.

The spelling of 225505534 in words is "two hundred twenty-five million, five hundred five thousand, five hundred thirty-four".