225629405 has 8 divisors (see below), whose sum is σ = 271404000. Its totient is φ = 180071056.

The previous prime is 225629381. The next prime is 225629413. The reversal of 225629405 is 504926522.

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

It is a cyclic number.

It is not a de Polignac number, because 225629405 - 2²⁶ = 158520541 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 51755 + ... + 55944.

It is an arithmetic number, because the mean of its divisors is an integer number (33925500).

Almost surely, 2^225629405 is an apocalyptic number.

It is an amenable number.

225629405 is a deficient number, since it is larger than the sum of its proper divisors (45774595).

225629405 is a wasteful number, since it uses less digits than its factorization.

225629405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108123.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 225629405 is about 15020.9655149062. The cubic root of 225629405 is about 608.7868076020.

The spelling of 225629405 in words is "two hundred twenty-five million, six hundred twenty-nine thousand, four hundred five".