202422 has 16 divisors (see below), whose sum is σ = 441792. Its totient is φ = 61320.

The previous prime is 202409. The next prime is 202441. The reversal of 202422 is 224202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202398 and 202407.

It is a congruent number.

It is an unprimeable number.

202422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (27612).

2²⁰²⁴²² is an apocalyptic number.

202422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202422 is an abundant number, since it is smaller than the sum of its proper divisors (239370).

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

202422 is a wasteful number, since it uses less digits than its factorization.

202422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 202422 is about 449.9133249860. The cubic root of 202422 is about 58.7154739042.

Adding to 202422 its reverse (224202), we get a palindrome (426624).

It can be divided in two parts, 20 and 2422, that added together give a palindrome (2442).

The spelling of 202422 in words is "two hundred two thousand, four hundred twenty-two", and thus it is an iban number.