2203422221 has 48 divisors (see below), whose sum is σ = 3013043712. Its totient is φ = 1567779840.

The previous prime is 2203422209. The next prime is 2203422251. The reversal of 2203422221 is 1222243022.

It is not a de Polignac number, because 2203422221 - 2¹⁴ = 2203405837 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2203422193 and 2203422202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203422251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1067036 + ... + 1069098.

It is an arithmetic number, because the mean of its divisors is an integer number (62771744).

Almost surely, 2^2203422221 is an apocalyptic number.

It is an amenable number.

2203422221 is a deficient number, since it is larger than the sum of its proper divisors (809621491).

2203422221 is a wasteful number, since it uses less digits than its factorization.

2203422221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2203422221 is about 46940.6244206444. The cubic root of 2203422221 is about 1301.2654779840.

Adding to 2203422221 its reverse (1222243022), we get a palindrome (3425665243).

It can be divided in two parts, 2203 and 422221, that added together give a palindrome (424424).

The spelling of 2203422221 in words is "two billion, two hundred three million, four hundred twenty-two thousand, two hundred twenty-one".