262422 has 24 divisors (see below), whose sum is σ = 580320. Its totient is φ = 85680.

The previous prime is 262411. The next prime is 262433. The reversal of 262422 is 224262.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (262411) and next prime (262433).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2² + 6 + 4 + 2³ + 2⁸ + 2¹⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 262395 and 262404.

It is a congruent number.

It is an unprimeable number.

262422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (24180).

2²⁶²⁴²² is an apocalyptic number.

262422 is an abundant number, since it is smaller than the sum of its proper divisors (317898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

262422 is a wasteful number, since it uses less digits than its factorization.

262422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 305 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 262422 is about 512.2714124368. The cubic root of 262422 is about 64.0226157053.

Adding to 262422 its reverse (224262), we get a palindrome (486684).

It can be divided in two parts, 26242 and 2, that added together give a square (26244 = 162²).

The spelling of 262422 in words is "two hundred sixty-two thousand, four hundred twenty-two".