422536 has 8 divisors (see below), whose sum is σ = 792270. Its totient is φ = 211264.

The previous prime is 422479. The next prime is 422537. The reversal of 422536 is 635224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 36 = 650^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 4⁵ + 2¹³ + 5³ + 2¹⁷ + 3⁷ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (422537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26401 + ... + 26416.

2⁴²²⁵³⁶ is an apocalyptic number.

It is an amenable number.

422536 is a deficient number, since it is larger than the sum of its proper divisors (369734).

422536 is a wasteful number, since it uses less digits than its factorization.

422536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52823 (or 52819 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 422536 is about 650.0276917178. The cubic root of 422536 is about 75.0391499306.

It can be divided in two parts, 4225 and 36, that multiplied together give a square (152100 = 390²).

The spelling of 422536 in words is "four hundred twenty-two thousand, five hundred thirty-six".