4342230021 has 16 divisors (see below), whose sum is σ = 5890662720. Its totient is φ = 2844357120.

The previous prime is 4342229977. The next prime is 4342230041. The reversal of 4342230021 is 1200322434.

It is not a de Polignac number, because 4342230021 - 2⁷ = 4342229893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4342230021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342230041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454231 + ... + 463691.

It is an arithmetic number, because the mean of its divisors is an integer number (368166420).

Almost surely, 2^4342230021 is an apocalyptic number.

It is an amenable number.

4342230021 is a deficient number, since it is larger than the sum of its proper divisors (1548432699).

4342230021 is a wasteful number, since it uses less digits than its factorization.

4342230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12116.

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

The square root of 4342230021 is about 65895.5994054231. The cubic root of 4342230021 is about 1631.4393825896.

Adding to 4342230021 its reverse (1200322434), we get a palindrome (5542552455).

The spelling of 4342230021 in words is "four billion, three hundred forty-two million, two hundred thirty thousand, twenty-one".