3224203220421 has 12 divisors (see below), whose sum is σ = 4663536030348. Its totient is φ = 2146536382464.

The previous prime is 3224203220411. The next prime is 3224203220429. The reversal of 3224203220421 is 1240223024223.

3224203220421 is a `hidden beast` number, since 3 + 2 + 2 + 420 + 32 + 204 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2541904092225 + 682299128196 = 1594335^2 + 826014^2 .

It is not a de Polignac number, because 3224203220421 - 2³¹ = 3222055736773 is a prime.

It is a super-2 number, since 2×3224203220421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3224203220429) 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, 244362300 + ... + 244375493.

It is an arithmetic number, because the mean of its divisors is an integer number (388628002529).

Almost surely, 2^{3224203220421} is an apocalyptic number.

It is an amenable number.

3224203220421 is a deficient number, since it is larger than the sum of its proper divisors (1439332809927).

3224203220421 is a wasteful number, since it uses less digits than its factorization.

3224203220421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488738532 (or 488738529 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 3224203220421 its reverse (1240223024223), we get a palindrome (4464426244644).

The spelling of 3224203220421 in words is "three trillion, two hundred twenty-four billion, two hundred three million, two hundred twenty thousand, four hundred twenty-one".