2204010421 has 4 divisors (see below), whose sum is σ = 2223515052. Its totient is φ = 2184505792.

The previous prime is 2204010401. The next prime is 2204010427. The reversal of 2204010421 is 1240104022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1240104022 = 2 ⋅620052011.

It can be written as a sum of positive squares in 2 ways, for example, as 258759396 + 1945251025 = 16086^2 + 44105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204010421 - 2¹⁵ = 2203977653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2204010395 and 2204010404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204010427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9752146 + ... + 9752371.

It is an arithmetic number, because the mean of its divisors is an integer number (555878763).

Almost surely, 2^2204010421 is an apocalyptic number.

It is an amenable number.

2204010421 is a deficient number, since it is larger than the sum of its proper divisors (19504631).

2204010421 is a wasteful number, since it uses less digits than its factorization.

2204010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19504630.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2204010421 is about 46946.8893644723. The cubic root of 2204010421 is about 1301.3812579208.

Adding to 2204010421 its reverse (1240104022), we get a palindrome (3444114443).

The spelling of 2204010421 in words is "two billion, two hundred four million, ten thousand, four hundred twenty-one".