622444042212641 has 72 divisors (see below), whose sum is σ = 744919701247008. Its totient is φ = 517905720921600.

The previous prime is 622444042212631. The next prime is 622444042212689. The reversal of 622444042212641 is 146212240444226.

It is not a de Polignac number, because 622444042212641 - 2⁴⁶ = 552075298034977 is a prime.

It is a super-2 number, since 2×622444042212641² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622444042212592 and 622444042212601.

It is not an unprimeable number, because it can be changed into a prime (622444042212611) 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 71 ways as a sum of consecutive naturals, for example, 5437702490 + ... + 5437816956.

It is an arithmetic number, because the mean of its divisors is an integer number (10346106961764).

Almost surely, 2^{622444042212641} is an apocalyptic number.

It is an amenable number.

622444042212641 is a deficient number, since it is larger than the sum of its proper divisors (122475659034367).

622444042212641 is a wasteful number, since it uses less digits than its factorization.

622444042212641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116511 (or 116463 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 44.

Adding to 622444042212641 its reverse (146212240444226), we get a palindrome (768656282656867).

The spelling of 622444042212641 in words is "six hundred twenty-two trillion, four hundred forty-four billion, forty-two million, two hundred twelve thousand, six hundred forty-one".