4224400421 has 8 divisors (see below), whose sum is σ = 4254871104. Its totient is φ = 4193985600.

The previous prime is 4224400357. The next prime is 4224400423. The reversal of 4224400421 is 1240044224.

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 4224400421 - 2⁶ = 4224400357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224400423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144221 + ... + 171021.

It is an arithmetic number, because the mean of its divisors is an integer number (531858888).

Almost surely, 2^4224400421 is an apocalyptic number.

It is an amenable number.

4224400421 is a deficient number, since it is larger than the sum of its proper divisors (30470683).

4224400421 is a wasteful number, since it uses less digits than its factorization.

4224400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27931.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4224400421 is about 64995.3876902046. The cubic root of 4224400421 is about 1616.5470860974.

Adding to 4224400421 its reverse (1240044224), we get a palindrome (5464444645).

The spelling of 4224400421 in words is "four billion, two hundred twenty-four million, four hundred thousand, four hundred twenty-one".