2302440230221 has 4 divisors (see below), whose sum is σ = 2376712495744. Its totient is φ = 2228167964700.

The previous prime is 2302440230201. The next prime is 2302440230263. The reversal of 2302440230221 is 1220320442032.

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 2302440230221 - 2⁹ = 2302440229709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302440230201) 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, 37136132715 + ... + 37136132776.

It is an arithmetic number, because the mean of its divisors is an integer number (594178123936).

Almost surely, 2^{2302440230221} is an apocalyptic number.

It is an amenable number.

2302440230221 is a deficient number, since it is larger than the sum of its proper divisors (74272265523).

2302440230221 is an equidigital number, since it uses as much as digits as its factorization.

2302440230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74272265522.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2302440230221 its reverse (1220320442032), we get a palindrome (3522760672253).

The spelling of 2302440230221 in words is "two trillion, three hundred two billion, four hundred forty million, two hundred thirty thousand, two hundred twenty-one".