236422 has 4 divisors (see below), whose sum is σ = 354636. Its totient is φ = 118210.

The previous prime is 236407. The next prime is 236429. The reversal of 236422 is 224632.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 236422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236429) by changing a digit.

236422 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 as a sum of consecutive naturals, namely, 59104 + ... + 59107.

It is an arithmetic number, because the mean of its divisors is an integer number (88659).

2²³⁶⁴²² is an apocalyptic number.

236422 is a deficient number, since it is larger than the sum of its proper divisors (118214).

236422 is a wasteful number, since it uses less digits than its factorization.

236422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118213.

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

The square root of 236422 is about 486.2324546963. The cubic root of 236422 is about 61.8342782085.

The spelling of 236422 in words is "two hundred thirty-six thousand, four hundred twenty-two".