242622 has 16 divisors (see below), whose sum is σ = 539280. Its totient is φ = 80856.

The previous prime is 242621. The next prime is 242629. The reversal of 242622 is 226242.

It is a happy number.

242622 is a `hidden beast` number, since 2 + 42 + 622 = 666.

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

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 242595 and 242604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2193 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (33705).

2²⁴²⁶²² is an apocalyptic number.

242622 is an abundant number, since it is smaller than the sum of its proper divisors (296658).

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

242622 is a wasteful number, since it uses less digits than its factorization.

242622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504 (or 4498 counting only the distinct ones).

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

The square root of 242622 is about 492.5667467461. The cubic root of 242622 is about 62.3701410399.

Adding to 242622 its reverse (226242), we get a palindrome (468864).

It can be divided in two parts, 2 and 42622, that added together give a palindrome (42624).

The spelling of 242622 in words is "two hundred forty-two thousand, six hundred twenty-two".