2023440221 has 4 divisors (see below), whose sum is σ = 2207389344. Its totient is φ = 1839491100.

The previous prime is 2023440217. The next prime is 2023440239. The reversal of 2023440221 is 1220443202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2023440221 - 2² = 2023440217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023440193 and 2023440202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023440421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91974545 + ... + 91974566.

It is an arithmetic number, because the mean of its divisors is an integer number (551847336).

Almost surely, 2^2023440221 is an apocalyptic number.

It is an amenable number.

2023440221 is a deficient number, since it is larger than the sum of its proper divisors (183949123).

2023440221 is a wasteful number, since it uses less digits than its factorization.

2023440221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183949122.

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

The square root of 2023440221 is about 44982.6657836105. The cubic root of 2023440221 is about 1264.8240827721.

Adding to 2023440221 its reverse (1220443202), we get a palindrome (3243883423).

It can be divided in two parts, 2023 and 440221, that added together give a palindrome (442244).

The spelling of 2023440221 in words is "two billion, twenty-three million, four hundred forty thousand, two hundred twenty-one".