4142204421 has 16 divisors (see below), whose sum is σ = 5834331840. Its totient is φ = 2606808960.

The previous prime is 4142204281. The next prime is 4142204461. The reversal of 4142204421 is 1244022414.

It is not a de Polignac number, because 4142204421 - 2¹⁵ = 4142171653 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4142204391 and 4142204400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142204461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113290 + ... + 145323.

It is an arithmetic number, because the mean of its divisors is an integer number (364645740).

Almost surely, 2^4142204421 is an apocalyptic number.

It is an amenable number.

4142204421 is a deficient number, since it is larger than the sum of its proper divisors (1692127419).

4142204421 is a wasteful number, since it uses less digits than its factorization.

4142204421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258916.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4142204421 is about 64359.9597653696. The cubic root of 4142204421 is about 1605.9937196919.

Adding to 4142204421 its reverse (1244022414), we get a palindrome (5386226835).

The spelling of 4142204421 in words is "four billion, one hundred forty-two million, two hundred four thousand, four hundred twenty-one".