12022942 has 4 divisors (see below), whose sum is σ = 18034416. Its totient is φ = 6011470.

The previous prime is 12022937. The next prime is 12022973. The reversal of 12022942 is 24922021.

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

It is a super-2 number, since 2×12022942² = 289102268670728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005734 + ... + 3005737.

It is an arithmetic number, because the mean of its divisors is an integer number (4508604).

Almost surely, 2^12022942 is an apocalyptic number.

12022942 is a deficient number, since it is larger than the sum of its proper divisors (6011474).

12022942 is an equidigital number, since it uses as much as digits as its factorization.

12022942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011473.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12022942 is about 3467.4114264102. The cubic root of 12022942 is about 229.0886558201.

Adding to 12022942 its reverse (24922021), we get a palindrome (36944963).

The spelling of 12022942 in words is "twelve million, twenty-two thousand, nine hundred forty-two".