225429 has 8 divisors (see below), whose sum is σ = 303072. Its totient is φ = 149040.

The previous prime is 225427. The next prime is 225431. The reversal of 225429 is 924522.

225429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225427) and next prime (225431).

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

It is not a de Polignac number, because 225429 - 2¹ = 225427 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225399 and 225408.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225429.

It is not an unprimeable number, because it can be changed into a prime (225427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259 + ... + 719.

It is an arithmetic number, because the mean of its divisors is an integer number (37884).

2²²⁵⁴²⁹ is an apocalyptic number.

It is an amenable number.

225429 is a deficient number, since it is larger than the sum of its proper divisors (77643).

225429 is a wasteful number, since it uses less digits than its factorization.

225429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627.

The product of its digits is 1440, while the sum is 24.

The square root of 225429 is about 474.7936393845. The cubic root of 225429 is about 60.8606511865.

The spelling of 225429 in words is "two hundred twenty-five thousand, four hundred twenty-nine".