422769 has 8 divisors (see below), whose sum is σ = 593440. Its totient is φ = 266976.

The previous prime is 422761. The next prime is 422789. The reversal of 422769 is 967224.

422769 = T₃₀₂ + T₃₀₃ + ... + T₃₁₀.

It is a happy number.

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

It is not a de Polignac number, because 422769 - 2³ = 422761 is a prime.

It is a super-2 number, since 2×422769² = 357467254722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652 + ... + 3765.

It is an arithmetic number, because the mean of its divisors is an integer number (74180).

2⁴²²⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

422769 is a deficient number, since it is larger than the sum of its proper divisors (170671).

422769 is a wasteful number, since it uses less digits than its factorization.

422769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439.

The product of its digits is 6048, while the sum is 30.

The square root of 422769 is about 650.2068901511. The cubic root of 422769 is about 75.0529403998.

The spelling of 422769 in words is "four hundred twenty-two thousand, seven hundred sixty-nine".