2202443221 has 16 divisors (see below), whose sum is σ = 2422038528. Its totient is φ = 1986145200.

The previous prime is 2202443213. The next prime is 2202443227. The reversal of 2202443221 is 1223442022.

2202443221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2202443221 - 2³ = 2202443213 is a prime.

It is a super-2 number, since 2×2202443221² = 9701512283457709682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202443192 and 2202443201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202443227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761440 + ... + 764326.

It is an arithmetic number, because the mean of its divisors is an integer number (151377408).

Almost surely, 2^2202443221 is an apocalyptic number.

It is an amenable number.

2202443221 is a deficient number, since it is larger than the sum of its proper divisors (219595307).

2202443221 is a wasteful number, since it uses less digits than its factorization.

2202443221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2202443221 is about 46930.1951945653. The cubic root of 2202443221 is about 1301.0727281770.

Adding to 2202443221 its reverse (1223442022), we get a palindrome (3425885243).

The spelling of 2202443221 in words is "two billion, two hundred two million, four hundred forty-three thousand, two hundred twenty-one".