2200424621 has 4 divisors (see below), whose sum is σ = 2201744700. Its totient is φ = 2199104544.

The previous prime is 2200424593. The next prime is 2200424623. The reversal of 2200424621 is 1264240022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1502725225 + 697699396 = 38765^2 + 26414^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200424621 - 2³⁰ = 1126682797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200424623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657536 + ... + 660873.

It is an arithmetic number, because the mean of its divisors is an integer number (550436175).

Almost surely, 2^2200424621 is an apocalyptic number.

It is an amenable number.

2200424621 is a deficient number, since it is larger than the sum of its proper divisors (1320079).

2200424621 is a wasteful number, since it uses less digits than its factorization.

2200424621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320078.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2200424621 is about 46908.6838549111. The cubic root of 2200424621 is about 1300.6751169899.

Adding to 2200424621 its reverse (1264240022), we get a palindrome (3464664643).

The spelling of 2200424621 in words is "two billion, two hundred million, four hundred twenty-four thousand, six hundred twenty-one".