44243111223213 has 16 divisors (see below), whose sum is σ = 67428198812160. Its totient is φ = 25277981129136.

The previous prime is 44243111223211. The next prime is 44243111223331. The reversal of 44243111223213 is 31232211134244.

It is not a de Polignac number, because 44243111223213 - 2¹ = 44243111223211 is a prime.

It is a super-2 number, since 2×44243111223213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44243111223211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158053195 + ... + 158332872.

It is an arithmetic number, because the mean of its divisors is an integer number (4214262425760).

Almost surely, 2^{44243111223213} is an apocalyptic number.

It is an amenable number.

44243111223213 is a deficient number, since it is larger than the sum of its proper divisors (23185087588947).

44243111223213 is a wasteful number, since it uses less digits than its factorization.

44243111223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316392736.

The product of its digits is 27648, while the sum is 33.

Adding to 44243111223213 its reverse (31232211134244), we get a palindrome (75475322357457).

The spelling of 44243111223213 in words is "forty-four trillion, two hundred forty-three billion, one hundred eleven million, two hundred twenty-three thousand, two hundred thirteen".