202340221 has 8 divisors (see below), whose sum is σ = 209761920. Its totient is φ = 194948208.

The previous prime is 202340219. The next prime is 202340227. The reversal of 202340221 is 122043202.

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

It is not a de Polignac number, because 202340221 - 2¹ = 202340219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202340195 and 202340204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202340227) 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, 6960 + ... + 21286.

It is an arithmetic number, because the mean of its divisors is an integer number (26220240).

Almost surely, 2^202340221 is an apocalyptic number.

It is an amenable number.

202340221 is a deficient number, since it is larger than the sum of its proper divisors (7421699).

202340221 is a wasteful number, since it uses less digits than its factorization.

202340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14843.

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

The square root of 202340221 is about 14224.6343010989. The cubic root of 202340221 is about 587.0756577245.

Adding to 202340221 its reverse (122043202), we get a palindrome (324383423).

The spelling of 202340221 in words is "two hundred two million, three hundred forty thousand, two hundred twenty-one".