422756 has 12 divisors (see below), whose sum is σ = 783468. Its totient is φ = 198912.

The previous prime is 422753. The next prime is 422759. The reversal of 422756 is 657224.

It is an interprime number because it is at equal distance from previous prime (422753) and next prime (422759).

It can be written as a sum of positive squares in 2 ways, for example, as 320356 + 102400 = 566^2 + 320^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422756.

It is not an unprimeable number, because it can be changed into a prime (422753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3041 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (65289).

2⁴²²⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

422756 is a deficient number, since it is larger than the sum of its proper divisors (360712).

422756 is a wasteful number, since it uses less digits than its factorization.

422756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238 (or 6236 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 422756 is about 650.1968932562. The cubic root of 422756 is about 75.0521711080.

The spelling of 422756 in words is "four hundred twenty-two thousand, seven hundred fifty-six".