4440022002421 has 8 divisors (see below), whose sum is σ = 4536650966400. Its totient is φ = 4343483055648.

The previous prime is 4440022002359. The next prime is 4440022002439. The reversal of 4440022002421 is 1242002200444.

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 4440022002421 - 2²³ = 4440013613813 is a prime.

It is a super-2 number, since 2×4440022002421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440022008421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22404576 + ... + 22601881.

It is an arithmetic number, because the mean of its divisors is an integer number (567081370800).

Almost surely, 2^{4440022002421} is an apocalyptic number.

It is an amenable number.

4440022002421 is a deficient number, since it is larger than the sum of its proper divisors (96628963979).

4440022002421 is a wasteful number, since it uses less digits than its factorization.

4440022002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45008603.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 4440022002421 its reverse (1242002200444), we get a palindrome (5682024202865).

The spelling of 4440022002421 in words is "four trillion, four hundred forty billion, twenty-two million, two thousand, four hundred twenty-one".