2342140221 has 8 divisors (see below), whose sum is σ = 3123346464. Its totient is φ = 1561180400.

The previous prime is 2342140217. The next prime is 2342140247. The reversal of 2342140221 is 1220412432.

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

It is a cyclic number.

It is not a de Polignac number, because 2342140221 - 2² = 2342140217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2342140271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38151 + ... + 78356.

It is an arithmetic number, because the mean of its divisors is an integer number (390418308).

Almost surely, 2^2342140221 is an apocalyptic number.

It is an amenable number.

2342140221 is a deficient number, since it is larger than the sum of its proper divisors (781206243).

2342140221 is a wasteful number, since it uses less digits than its factorization.

2342140221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123211.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2342140221 is about 48395.6632457909. The cubic root of 2342140221 is about 1328.0190270793.

Adding to 2342140221 its reverse (1220412432), we get a palindrome (3562552653).

The spelling of 2342140221 in words is "two billion, three hundred forty-two million, one hundred forty thousand, two hundred twenty-one".