12040222 has 16 divisors (see below), whose sum is σ = 18606672. Its totient is φ = 5840640.

The previous prime is 12040213. The next prime is 12040253. The reversal of 12040222 is 22204021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9697 + ... + 10867.

It is an arithmetic number, because the mean of its divisors is an integer number (1162917).

Almost surely, 2^12040222 is an apocalyptic number.

12040222 is a deficient number, since it is larger than the sum of its proper divisors (6566450).

12040222 is a wasteful number, since it uses less digits than its factorization.

12040222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 12040222 is about 3469.9023041002. The cubic root of 12040222 is about 229.1983560071.

Adding to 12040222 its reverse (22204021), we get a palindrome (34244243).

The spelling of 12040222 in words is "twelve million, forty thousand, two hundred twenty-two".