2202021223 has 4 divisors (see below), whose sum is σ = 2202434928. Its totient is φ = 2201607520.

The previous prime is 2202021191. The next prime is 2202021253. The reversal of 2202021223 is 3221202022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221202022 = 2 ⋅1610601011.

It is a cyclic number.

It is not a de Polignac number, because 2202021223 - 2⁵ = 2202021191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202021197 and 2202021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202021253) 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 3 ways as a sum of consecutive naturals, for example, 198763 + ... + 209548.

It is an arithmetic number, because the mean of its divisors is an integer number (550608732).

Almost surely, 2^2202021223 is an apocalyptic number.

2202021223 is a deficient number, since it is larger than the sum of its proper divisors (413705).

2202021223 is an equidigital number, since it uses as much as digits as its factorization.

2202021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413704.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2202021223 is about 46925.6989612302. The cubic root of 2202021223 is about 1300.9896257456.

Adding to 2202021223 its reverse (3221202022), we get a palindrome (5423223245).

The spelling of 2202021223 in words is "two billion, two hundred two million, twenty-one thousand, two hundred twenty-three".