4021322203430 has 96 divisors (see below), whose sum is σ = 8664115933440. Its totient is φ = 1339150760640.

The previous prime is 4021322203363. The next prime is 4021322203447. The reversal of 4021322203430 is 343022231204.

It is a super-2 number, since 2×4021322203430² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021322203430.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3238415 + ... + 4304645.

It is an arithmetic number, because the mean of its divisors is an integer number (90251207640).

Almost surely, 2^{4021322203430} is an apocalyptic number.

4021322203430 is an abundant number, since it is smaller than the sum of its proper divisors (4642793730010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021322203430 is a wasteful number, since it uses less digits than its factorization.

4021322203430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066474 (or 1066467 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 4021322203430 its reverse (343022231204), we get a palindrome (4364344434634).

The spelling of 4021322203430 in words is "four trillion, twenty-one billion, three hundred twenty-two million, two hundred three thousand, four hundred thirty".