1224416144221 has 16 divisors (see below), whose sum is σ = 1310984539200. Its totient is φ = 1140225552000.

The previous prime is 1224416144201. The next prime is 1224416144261.

1224416144221 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224416144221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224416144201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2028400 + ... + 2561881.

It is an arithmetic number, because the mean of its divisors is an integer number (81936533700).

Almost surely, 2^{1224416144221} is an apocalyptic number.

It is an amenable number.

1224416144221 is a deficient number, since it is larger than the sum of its proper divisors (86568394979).

1224416144221 is a wasteful number, since it uses less digits than its factorization.

1224416144221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590540.

The product of its digits is 24576, while the sum is 34.

The spelling of 1224416144221 in words is "one trillion, two hundred twenty-four billion, four hundred sixteen million, one hundred forty-four thousand, two hundred twenty-one".