4243222321403 has 12 divisors (see below), whose sum is σ = 4595241728088. Its totient is φ = 3916385965440.

The previous prime is 4243222321363. The next prime is 4243222321409. The reversal of 4243222321403 is 3041232223424.

It is not a de Polignac number, because 4243222321403 - 2³⁸ = 3968344414459 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 4243222321403.

It is not an unprimeable number, because it can be changed into a prime (4243222321409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139376 + ... + 2916482.

It is an arithmetic number, because the mean of its divisors is an integer number (382936810674).

Almost surely, 2^{4243222321403} is an apocalyptic number.

4243222321403 is a deficient number, since it is larger than the sum of its proper divisors (352019406685).

4243222321403 is a wasteful number, since it uses less digits than its factorization.

4243222321403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786174 (or 2786161 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 4243222321403 its reverse (3041232223424), we get a palindrome (7284454544827).

The spelling of 4243222321403 in words is "four trillion, two hundred forty-three billion, two hundred twenty-two million, three hundred twenty-one thousand, four hundred three".