1224224334221 has 8 divisors (see below), whose sum is σ = 1399172229504. Its totient is φ = 1049291115120.

The previous prime is 1224224334217. The next prime is 1224224334239. The reversal of 1224224334221 is 1224334224221.

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

It is a cyclic number.

It is not a de Polignac number, because 1224224334221 - 2² = 1224224334217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224224334251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3489710 + ... + 3824463.

It is an arithmetic number, because the mean of its divisors is an integer number (174896528688).

Almost surely, 2^{1224224334221} is an apocalyptic number.

It is an amenable number.

1224224334221 is a deficient number, since it is larger than the sum of its proper divisors (174947895283).

1224224334221 is an equidigital number, since it uses as much as digits as its factorization.

1224224334221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7338091.

The product of its digits is 36864, while the sum is 32.

Adding to 1224224334221 its reverse (1224334224221), we get a palindrome (2448558558442).

The spelling of 1224224334221 in words is "one trillion, two hundred twenty-four billion, two hundred twenty-four million, three hundred thirty-four thousand, two hundred twenty-one".