4340022421 has 8 divisors (see below), whose sum is σ = 5175679104. Its totient is φ = 3558279120.

The previous prime is 4340022391. The next prime is 4340022439. The reversal of 4340022421 is 1242200434.

It is a happy number.

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 4340022421 - 2⁹ = 4340021909 is a prime.

It is a super-2 number, since 2×4340022421² = 37671589229565402482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4340022392 and 4340022401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340022461) 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, 13478170 + ... + 13478491.

It is an arithmetic number, because the mean of its divisors is an integer number (646959888).

Almost surely, 2^4340022421 is an apocalyptic number.

It is an amenable number.

4340022421 is a deficient number, since it is larger than the sum of its proper divisors (835656683).

4340022421 is a wasteful number, since it uses less digits than its factorization.

4340022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26956691.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4340022421 is about 65878.8465366539. The cubic root of 4340022421 is about 1631.1628598441.

Adding to 4340022421 its reverse (1242200434), we get a palindrome (5582222855).

The spelling of 4340022421 in words is "four billion, three hundred forty million, twenty-two thousand, four hundred twenty-one".