422512 has 10 divisors (see below), whose sum is σ = 818648. Its totient is φ = 211248.

The previous prime is 422479. The next prime is 422537. The reversal of 422512 is 215224.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 26407 = 422512 / (4 + 2 + 2 + 5 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13188 + ... + 13219.

2⁴²²⁵¹² is an apocalyptic number.

It is an amenable number.

422512 is a deficient number, since it is larger than the sum of its proper divisors (396136).

422512 is a wasteful number, since it uses less digits than its factorization.

422512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26415 (or 26409 counting only the distinct ones).

The product of its digits is 160, while the sum is 16.

The square root of 422512 is about 650.0092307037. The cubic root of 422512 is about 75.0377291651.

Adding to 422512 its reverse (215224), we get a palindrome (637736).

The spelling of 422512 in words is "four hundred twenty-two thousand, five hundred twelve".