12234402 has 20 divisors (see below), whose sum is σ = 27414486. Its totient is φ = 4078080.

The previous prime is 12234379. The next prime is 12234421. The reversal of 12234402 is 20443221.

12234402 is a `hidden beast` number, since 1 + 223 + 440 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9865881 + 2368521 = 3141^2 + 1539^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37599 + ... + 37922.

Almost surely, 2^12234402 is an apocalyptic number.

12234402 is an abundant number, since it is smaller than the sum of its proper divisors (15180084).

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

12234402 is an equidigital number, since it uses as much as digits as its factorization.

12234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75535 (or 75526 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12234402 is about 3497.7710045113. The cubic root of 12234402 is about 230.4239314334.

Adding to 12234402 its reverse (20443221), we get a palindrome (32677623).

It can be divided in two parts, 1223 and 4402, that added together give a square (5625 = 75²).

The spelling of 12234402 in words is "twelve million, two hundred thirty-four thousand, four hundred two".