422776 has 16 divisors (see below), whose sum is σ = 811800. Its totient is φ = 206304.

The previous prime is 422761. The next prime is 422789. The reversal of 422776 is 677224.

422776 = T₅₃ + T₅₄ + ... + T₁₃₈.

It is a d-powerful number, because it can be written as 4³ + 2⁷ + 7⁵ + 2¹³ + 7⁶ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 271 + ... + 958.

2⁴²²⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

422776 is a deficient number, since it is larger than the sum of its proper divisors (389024).

422776 is a wasteful number, since it uses less digits than its factorization.

422776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1274 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 422776 is about 650.2122730309. The cubic root of 422776 is about 75.0533546274.

The spelling of 422776 in words is "four hundred twenty-two thousand, seven hundred seventy-six".