4442214421 has 8 divisors (see below), whose sum is σ = 4722314400. Its totient is φ = 4166744400.

The previous prime is 4442214419. The next prime is 4442214431. The reversal of 4442214421 is 1244122444.

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 4442214421 - 2¹ = 4442214419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4442214421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442214431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155511 + ... + 1159348.

It is an arithmetic number, because the mean of its divisors is an integer number (590289300).

Almost surely, 2^4442214421 is an apocalyptic number.

It is an amenable number.

4442214421 is a deficient number, since it is larger than the sum of its proper divisors (280099979).

4442214421 is a wasteful number, since it uses less digits than its factorization.

4442214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314979.

The product of its digits is 8192, while the sum is 28.

The square root of 4442214421 is about 66649.9393923205. The cubic root of 4442214421 is about 1643.8663513451.

Adding to 4442214421 its reverse (1244122444), we get a palindrome (5686336865).

The spelling of 4442214421 in words is "four billion, four hundred forty-two million, two hundred fourteen thousand, four hundred twenty-one".