12002222 has 8 divisors (see below), whose sum is σ = 18250176. Its totient is φ = 5918832.

The previous prime is 12002213. The next prime is 12002231. The reversal of 12002222 is 22220021.

It is an interprime number because it is at equal distance from previous prime (12002213) and next prime (12002231).

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

12002222 is a modest number, since divided by 2222 gives 1200 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40958 + ... + 41249.

It is an arithmetic number, because the mean of its divisors is an integer number (2281272).

Almost surely, 2^12002222 is an apocalyptic number.

12002222 is a deficient number, since it is larger than the sum of its proper divisors (6247954).

12002222 is an equidigital number, since it uses as much as digits as its factorization.

12002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82282.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 12002222 is about 3464.4223183671. The cubic root of 12002222 is about 228.9569784999.

Adding to 12002222 its reverse (22220021), we get a palindrome (34222243).

The spelling of 12002222 in words is "twelve million, two thousand, two hundred twenty-two".