5440222545251 has 4 divisors (see below), whose sum is σ = 5858701202592. Its totient is φ = 5021743887912.

The previous prime is 5440222545229. The next prime is 5440222545287. The reversal of 5440222545251 is 1525452220445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5440222545251 - 2³⁰ = 5439148803427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5440222545199 and 5440222545208.

It is not an unprimeable number, because it can be changed into a prime (5440222515251) 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 3 ways as a sum of consecutive naturals, for example, 209239328651 + ... + 209239328676.

It is an arithmetic number, because the mean of its divisors is an integer number (1464675300648).

Almost surely, 2^{5440222545251} is an apocalyptic number.

5440222545251 is a deficient number, since it is larger than the sum of its proper divisors (418478657341).

5440222545251 is a wasteful number, since it uses less digits than its factorization.

5440222545251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418478657340.

The product of its (nonzero) digits is 640000, while the sum is 41.

Adding to 5440222545251 its reverse (1525452220445), we get a palindrome (6965674765696).

The spelling of 5440222545251 in words is "five trillion, four hundred forty billion, two hundred twenty-two million, five hundred forty-five thousand, two hundred fifty-one".