422469 has 8 divisors (see below), whose sum is σ = 625920. Its totient is φ = 281628.

The previous prime is 422459. The next prime is 422479. The reversal of 422469 is 964224.

It is an interprime number because it is at equal distance from previous prime (422459) and next prime (422479).

It is not a de Polignac number, because 422469 - 2⁴ = 422453 is a prime.

It is a super-2 number, since 2×422469² = 356960111922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15647 = 422469 / (4 + 2 + 2 + 4 + 6 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422459) 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, 7797 + ... + 7850.

It is an arithmetic number, because the mean of its divisors is an integer number (78240).

2⁴²²⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

422469 is a deficient number, since it is larger than the sum of its proper divisors (203451).

422469 is a wasteful number, since it uses less digits than its factorization.

422469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15656 (or 15650 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 422469 is about 649.9761534087. The cubic root of 422469 is about 75.0351834924.

The spelling of 422469 in words is "four hundred twenty-two thousand, four hundred sixty-nine".