4403224202221 has 16 divisors (see below), whose sum is σ = 4744337024448. Its totient is φ = 4062455280000.

The previous prime is 4403224202219. The next prime is 4403224202227. The reversal of 4403224202221 is 1222024223044.

It is a happy number.

It is not a de Polignac number, because 4403224202221 - 2¹ = 4403224202219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4403224202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4403224202227) 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, 360116910 + ... + 360129136.

It is an arithmetic number, because the mean of its divisors is an integer number (296521064028).

Almost surely, 2^{4403224202221} is an apocalyptic number.

It is an amenable number.

4403224202221 is a deficient number, since it is larger than the sum of its proper divisors (341112822227).

4403224202221 is a wasteful number, since it uses less digits than its factorization.

4403224202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24012.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 4403224202221 its reverse (1222024223044), we get a palindrome (5625248425265).

The spelling of 4403224202221 in words is "four trillion, four hundred three billion, two hundred twenty-four million, two hundred two thousand, two hundred twenty-one".