2342320221 has 4 divisors (see below), whose sum is σ = 3123093632. Its totient is φ = 1561546812.

The previous prime is 2342320199. The next prime is 2342320223. The reversal of 2342320221 is 1220232432.

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 not a de Polignac number, because 2342320221 - 2¹⁰ = 2342319197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2342320223) 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, 390386701 + ... + 390386706.

It is an arithmetic number, because the mean of its divisors is an integer number (780773408).

Almost surely, 2^2342320221 is an apocalyptic number.

It is an amenable number.

2342320221 is a deficient number, since it is larger than the sum of its proper divisors (780773411).

2342320221 is an equidigital number, since it uses as much as digits as its factorization.

2342320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780773410.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2342320221 is about 48397.5228808252. The cubic root of 2342320221 is about 1328.0530468616.

Adding to 2342320221 its reverse (1220232432), we get a palindrome (3562552653).

The spelling of 2342320221 in words is "two billion, three hundred forty-two million, three hundred twenty thousand, two hundred twenty-one".