4022121415544 has 32 divisors (see below), whose sum is σ = 7671098822400. Its totient is φ = 1976511059040.

The previous prime is 4022121415393. The next prime is 4022121415591. The reversal of 4022121415544 is 4455141212204.

It is a happy number.

4022121415544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1018319 + ... + 3013505.

It is an arithmetic number, because the mean of its divisors is an integer number (239721838200).

Almost surely, 2^{4022121415544} is an apocalyptic number.

It is an amenable number.

4022121415544 is a deficient number, since it is larger than the sum of its proper divisors (3648977406856).

4022121415544 is a wasteful number, since it uses less digits than its factorization.

4022121415544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999523 (or 1999519 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 4022121415544 its reverse (4455141212204), we get a palindrome (8477262627748).

The spelling of 4022121415544 in words is "four trillion, twenty-two billion, one hundred twenty-one million, four hundred fifteen thousand, five hundred forty-four".