2223204203421 has 32 divisors (see below), whose sum is σ = 3308773529600. Its totient is φ = 1475337078000.

The previous prime is 2223204203401. The next prime is 2223204203453. The reversal of 2223204203421 is 1243024023222.

2223204203421 is a `hidden beast` number, since 2 + 2 + 2 + 32 + 0 + 4 + 203 + 421 = 666.

It is not a de Polignac number, because 2223204203421 - 2⁹ = 2223204202909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223204203401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6046470 + ... + 6403608.

It is an arithmetic number, because the mean of its divisors is an integer number (103399172800).

Almost surely, 2^{2223204203421} is an apocalyptic number.

It is an amenable number.

2223204203421 is a deficient number, since it is larger than the sum of its proper divisors (1085569326179).

2223204203421 is a wasteful number, since it uses less digits than its factorization.

2223204203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358206 (or 358200 counting only the distinct ones).

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

Adding to 2223204203421 its reverse (1243024023222), we get a palindrome (3466228226643).

The spelling of 2223204203421 in words is "two trillion, two hundred twenty-three billion, two hundred four million, two hundred three thousand, four hundred twenty-one".