1224330334221 has 16 divisors (see below), whose sum is σ = 1685070946944. Its totient is φ = 790128932544.

The previous prime is 1224330334207. The next prime is 1224330334237.

It is a happy number.

1224330334221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1224330334221 - 2⁵ = 1224330334189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224330334321) 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, 27973065 + ... + 28016798.

It is an arithmetic number, because the mean of its divisors is an integer number (105316934184).

Almost surely, 2^{1224330334221} is an apocalyptic number.

It is an amenable number.

1224330334221 is a deficient number, since it is larger than the sum of its proper divisors (460740612723).

1224330334221 is a wasteful number, since it uses less digits than its factorization.

1224330334221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55990100.

The product of its (nonzero) digits is 20736, while the sum is 30.

It can be divided in two parts, 1224330 and 334221, that added together give a palindrome (1558551).

The spelling of 1224330334221 in words is "one trillion, two hundred twenty-four billion, three hundred thirty million, three hundred thirty-four thousand, two hundred twenty-one".