424229 has 4 divisors (see below), whose sum is σ = 456876. Its totient is φ = 391584.

The previous prime is 424223. The next prime is 424231. The reversal of 424229 is 922424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 172225 + 252004 = 415^2 + 502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16304 + ... + 16329.

It is an arithmetic number, because the mean of its divisors is an integer number (114219).

2⁴²⁴²²⁹ is an apocalyptic number.

It is an amenable number.

424229 is a deficient number, since it is larger than the sum of its proper divisors (32647).

424229 is a wasteful number, since it uses less digits than its factorization.

424229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32646.

The product of its digits is 1152, while the sum is 23.

The square root of 424229 is about 651.3286420848. The cubic root of 424229 is about 75.1392376414.

The spelling of 424229 in words is "four hundred twenty-four thousand, two hundred twenty-nine".