12222344 has 8 divisors (see below), whose sum is σ = 22916910. Its totient is φ = 6111168.

The previous prime is 12222319. The next prime is 12222349. The reversal of 12222344 is 44322221.

It can be written as a sum of positive squares in only one way, i.e., 9229444 + 2992900 = 3038^2 + 1730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 10 and base 15.

It is not an unprimeable number, because it can be changed into a prime (12222349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763889 + ... + 763904.

Almost surely, 2^12222344 is an apocalyptic number.

It is an amenable number.

12222344 is a deficient number, since it is larger than the sum of its proper divisors (10694566).

12222344 is a wasteful number, since it uses less digits than its factorization.

12222344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527799 (or 1527795 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 12222344 is about 3496.0469104404. The cubic root of 12222344 is about 230.3482060305.

Adding to 12222344 its reverse (44322221), we get a palindrome (56544565).

The spelling of 12222344 in words is "twelve million, two hundred twenty-two thousand, three hundred forty-four".