263422 has 4 divisors (see below), whose sum is σ = 395136. Its totient is φ = 131710.

The previous prime is 263411. The next prime is 263423. The reversal of 263422 is 224362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224362 = 2 ⋅112181.

It is a self number, because there is not a number n which added to its sum of digits gives 263422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65854 + ... + 65857.

It is an arithmetic number, because the mean of its divisors is an integer number (98784).

2²⁶³⁴²² is an apocalyptic number.

263422 is a deficient number, since it is larger than the sum of its proper divisors (131714).

263422 is a wasteful number, since it uses less digits than its factorization.

263422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131713.

The product of its digits is 576, while the sum is 19.

The square root of 263422 is about 513.2465294573. The cubic root of 263422 is about 64.1038353498.

Adding to 263422 its reverse (224362), we get a palindrome (487784).

Subtracting from 263422 its reverse (224362), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 263422 in words is "two hundred sixty-three thousand, four hundred twenty-two".