422529 has 8 divisors (see below), whose sum is σ = 568320. Its totient is φ = 279216.

The previous prime is 422479. The next prime is 422537. The reversal of 422529 is 925224.

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

It is not a de Polignac number, because 422529 - 2¹¹ = 420481 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.

422529 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 422499 and 422508.

It is not an unprimeable number, because it can be changed into a prime (422549) 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, 174 + ... + 935.

It is an arithmetic number, because the mean of its divisors is an integer number (71040).

2⁴²²⁵²⁹ is an apocalyptic number.

It is an amenable number.

422529 is a deficient number, since it is larger than the sum of its proper divisors (145791).

422529 is a wasteful number, since it uses less digits than its factorization.

422529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

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

The square root of 422529 is about 650.0223073095. The cubic root of 422529 is about 75.0387355462.

The spelling of 422529 in words is "four hundred twenty-two thousand, five hundred twenty-nine".