2023220221 has 8 divisors (see below), whose sum is σ = 2221209504. Its totient is φ = 1827574320.

The previous prime is 2023220207. The next prime is 2023220261. The reversal of 2023220221 is 1220223202.

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

It is not a de Polignac number, because 2023220221 - 2¹³ = 2023212029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023220195 and 2023220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023220261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584035 + ... + 587488.

It is an arithmetic number, because the mean of its divisors is an integer number (277651188).

Almost surely, 2^2023220221 is an apocalyptic number.

It is an amenable number.

2023220221 is a deficient number, since it is larger than the sum of its proper divisors (197989283).

2023220221 is a wasteful number, since it uses less digits than its factorization.

2023220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171691.

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

The square root of 2023220221 is about 44980.2203307187. The cubic root of 2023220221 is about 1264.7782414733.

Adding to 2023220221 its reverse (1220223202), we get a palindrome (3243443423).

The spelling of 2023220221 in words is "two billion, twenty-three million, two hundred twenty thousand, two hundred twenty-one".