425229 has 8 divisors (see below), whose sum is σ = 648000. Its totient is φ = 242976.

The previous prime is 425207. The next prime is 425233. The reversal of 425229 is 922524.

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

It is not a de Polignac number, because 425229 - 2⁵ = 425197 is a prime.

It is an Ulam number.

425229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 425199 and 425208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10104 + ... + 10145.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2⁴²⁵²²⁹ is an apocalyptic number.

It is an amenable number.

425229 is a deficient number, since it is larger than the sum of its proper divisors (222771).

425229 is a wasteful number, since it uses less digits than its factorization.

425229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20259.

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

The square root of 425229 is about 652.0958518500. The cubic root of 425229 is about 75.1982311528.

The spelling of 425229 in words is "four hundred twenty-five thousand, two hundred twenty-nine".