4021442224004 has 24 divisors (see below), whose sum is σ = 7176513556800. Its totient is φ = 1971326204960.

The previous prime is 4021442223961. The next prime is 4021442224159. The reversal of 4021442224004 is 4004222441204.

It is a happy number.

It is a super-2 number, since 2×4021442224004² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39502259 + ... + 39603930.

It is an arithmetic number, because the mean of its divisors is an integer number (299021398200).

Almost surely, 2^{4021442224004} is an apocalyptic number.

It is an amenable number.

4021442224004 is a deficient number, since it is larger than the sum of its proper divisors (3155071332796).

4021442224004 is a wasteful number, since it uses less digits than its factorization.

4021442224004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79106443 (or 79106441 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 4021442224004 its reverse (4004222441204), we get a palindrome (8025664665208).

The spelling of 4021442224004 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred twenty-four thousand, four".