243622 has 8 divisors (see below), whose sum is σ = 374472. Its totient is φ = 118800.

The previous prime is 243613. The next prime is 243623. The reversal of 243622 is 226342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 243622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (46809).

2²⁴³⁶²² is an apocalyptic number.

243622 is a deficient number, since it is larger than the sum of its proper divisors (130850).

243622 is a wasteful number, since it uses less digits than its factorization.

243622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014.

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

The square root of 243622 is about 493.5807937917. The cubic root of 243622 is about 62.4557126255.

Adding to 243622 its reverse (226342), we get a palindrome (469964).

The spelling of 243622 in words is "two hundred forty-three thousand, six hundred twenty-two".