12302222 has 8 divisors (see below), whose sum is σ = 18564336. Its totient is φ = 6114112.

The previous prime is 12302221. The next prime is 12302233. The reversal of 12302222 is 22220321.

12302222 is nontrivially palindromic in base 3.

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

It is a super-2 number, since 2×12302222² = 302689332274568, which contains 22 as substring.

12302222 is a modest number, since divided by 2222 gives 1230 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12302197 and 12302206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302221) 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, 18083 + ... + 18750.

It is an arithmetic number, because the mean of its divisors is an integer number (2320542).

Almost surely, 2^12302222 is an apocalyptic number.

12302222 is a deficient number, since it is larger than the sum of its proper divisors (6262114).

12302222 is a wasteful number, since it uses less digits than its factorization.

12302222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37002.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12302222 is about 3507.4523517790. The cubic root of 12302222 is about 230.8489232854.

Adding to 12302222 its reverse (22220321), we get a palindrome (34522543).

The spelling of 12302222 in words is "twelve million, three hundred two thousand, two hundred twenty-two".