44122420221 has 12 divisors (see below), whose sum is σ = 64664263776. Its totient is φ = 26740860520.

The previous prime is 44122420219. The next prime is 44122420291. The reversal of 44122420221 is 12202422144.

It is a happy number.

It is not a de Polignac number, because 44122420221 - 2¹ = 44122420219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44122420191 and 44122420200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44122420201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60774321 + ... + 60775046.

It is an arithmetic number, because the mean of its divisors is an integer number (5388688648).

Almost surely, 2^44122420221 is an apocalyptic number.

It is an amenable number.

44122420221 is a deficient number, since it is larger than the sum of its proper divisors (20541843555).

44122420221 is a wasteful number, since it uses less digits than its factorization.

44122420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121549392 (or 121549381 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 44122420221 its reverse (12202422144), we get a palindrome (56324842365).

The spelling of 44122420221 in words is "forty-four billion, one hundred twenty-two million, four hundred twenty thousand, two hundred twenty-one".