422530 has 32 divisors (see below), whose sum is σ = 829440. Its totient is φ = 154560.

The previous prime is 422479. The next prime is 422537. The reversal of 422530 is 35224.

422530 = T₁₅₆ + T₁₅₇ + ... + T₁₈₄.

It is not an unprimeable number, because it can be changed into a prime (422537) by changing a digit.

422530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8967 + ... + 9013.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2⁴²²⁵³⁰ is an apocalyptic number.

422530 is a deficient number, since it is larger than the sum of its proper divisors (406910).

422530 is a wasteful number, since it uses less digits than its factorization.

422530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 422530 is about 650.0230765134. The cubic root of 422530 is about 75.0387947443.

Adding to 422530 its reverse (35224), we get a palindrome (457754).

The spelling of 422530 in words is "four hundred twenty-two thousand, five hundred thirty".