12422242 has 16 divisors (see below), whose sum is σ = 21418560. Its totient is φ = 5293008.

The previous prime is 12422209. The next prime is 12422243. The reversal of 12422242 is 24222421.

12422242 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

12422242 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (12422243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28 + ... + 4984.

It is an arithmetic number, because the mean of its divisors is an integer number (1338660).

Almost surely, 2^12422242 is an apocalyptic number.

12422242 is a deficient number, since it is larger than the sum of its proper divisors (8996318).

12422242 is a wasteful number, since it uses less digits than its factorization.

12422242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145.

The product of its digits is 512, while the sum is 19.

The square root of 12422242 is about 3524.5201091780. The cubic root of 12422242 is about 231.5972128173.

Adding to 12422242 its reverse (24222421), we get a palindrome (36644663).

It can be divided in two parts, 124 and 22242, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 12422242 in words is "twelve million, four hundred twenty-two thousand, two hundred forty-two".