4221203033444 has 48 divisors (see below), whose sum is σ = 7459332604416. Its totient is φ = 2090072678400.

The previous prime is 4221203033419. The next prime is 4221203033461. The reversal of 4221203033444 is 4443303021224.

It is a super-3 number, since 3×4221203033444³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4221203033444.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816951749 + ... + 816956915.

It is an arithmetic number, because the mean of its divisors is an integer number (155402762592).

Almost surely, 2^{4221203033444} is an apocalyptic number.

It is an amenable number.

4221203033444 is a deficient number, since it is larger than the sum of its proper divisors (3238129570972).

4221203033444 is a wasteful number, since it uses less digits than its factorization.

4221203033444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996 (or 9994 counting only the distinct ones).

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

Adding to 4221203033444 its reverse (4443303021224), we get a palindrome (8664506054668).

The spelling of 4221203033444 in words is "four trillion, two hundred twenty-one billion, two hundred three million, thirty-three thousand, four hundred forty-four".