12242442 has 8 divisors (see below), whose sum is σ = 24484896. Its totient is φ = 4080812.

The previous prime is 12242429. The next prime is 12242443. The reversal of 12242442 is 24424221.

12242442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12242442 is an admirable number.

It is a super-2 number, since 2×12242442² = 299754772246728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12242443) 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, 1020198 + ... + 1020209.

It is an arithmetic number, because the mean of its divisors is an integer number (3060612).

Almost surely, 2^12242442 is an apocalyptic number.

12242442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12242442 is a wasteful number, since it uses less digits than its factorization.

12242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040412.

The product of its digits is 1024, while the sum is 21.

The square root of 12242442 is about 3498.9201191225. The cubic root of 12242442 is about 230.4743957644.

Adding to 12242442 its reverse (24424221), we get a palindrome (36666663).

The spelling of 12242442 in words is "twelve million, two hundred forty-two thousand, four hundred forty-two".