12402202 has 8 divisors (see below), whose sum is σ = 18768276. Its totient is φ = 6146112.

The previous prime is 12402191. The next prime is 12402217. The reversal of 12402202 is 20220421.

It can be written as a sum of positive squares in 2 ways, for example, as 12397441 + 4761 = 3521^2 + 69^2 .

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

It is a super-2 number, since 2×12402202² = 307629228897608, which contains 22 as substring.

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, 27213 + ... + 27664.

Almost surely, 2^12402202 is an apocalyptic number.

12402202 is a deficient number, since it is larger than the sum of its proper divisors (6366074).

12402202 is a wasteful number, since it uses less digits than its factorization.

12402202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54992.

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

The square root of 12402202 is about 3521.6760214421. The cubic root of 12402202 is about 231.4726055156.

Adding to 12402202 its reverse (20220421), we get a palindrome (32622623).

The spelling of 12402202 in words is "twelve million, four hundred two thousand, two hundred two".