12702222 has 48 divisors (see below), whose sum is σ = 31209360. Its totient is φ = 3701376.

The previous prime is 12702199. The next prime is 12702223. The reversal of 12702222 is 22220721.

It is a happy number.

It is a super-2 number, since 2×12702222² = 322692887474568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

12702222 is a modest number, since divided by 2222 gives 1270 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12702195 and 12702204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12702223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3018 + ... + 5874.

It is an arithmetic number, because the mean of its divisors is an integer number (650195).

Almost surely, 2^12702222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12702222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15604680).

12702222 is an abundant number, since it is smaller than the sum of its proper divisors (18507138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12702222 is a wasteful number, since it uses less digits than its factorization.

12702222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 12702222 is about 3564.0176767238. The cubic root of 12702222 is about 233.3242613253.

Adding to 12702222 its reverse (22220721), we get a palindrome (34922943).

The spelling of 12702222 in words is "twelve million, seven hundred two thousand, two hundred twenty-two".