2202544021 has 8 divisors (see below), whose sum is σ = 2333897280. Its totient is φ = 2071389888.

The previous prime is 2202544013. The next prime is 2202544073. The reversal of 2202544021 is 1204452022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2202544021 - 2³ = 2202544013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202543983 and 2202544001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202544081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26691 + ... + 71536.

It is an arithmetic number, because the mean of its divisors is an integer number (291737160).

Almost surely, 2^2202544021 is an apocalyptic number.

It is an amenable number.

2202544021 is a deficient number, since it is larger than the sum of its proper divisors (131353259).

2202544021 is a wasteful number, since it uses less digits than its factorization.

2202544021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99563.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2202544021 is about 46931.2691177215. The cubic root of 2202544021 is about 1301.0925767598.

Adding to 2202544021 its reverse (1204452022), we get a palindrome (3406996043).

The spelling of 2202544021 in words is "two billion, two hundred two million, five hundred forty-four thousand, twenty-one".