44226213161 has 6 divisors (see below), whose sum is σ = 47889923310. Its totient is φ = 40824196608.

The previous prime is 44226213149. The next prime is 44226213169. The reversal of 44226213161 is 16131262244.

It can be written as a sum of positive squares in 3 ways, for example, as 2870923561 + 41355289600 = 53581^2 + 203360^2 .

It is not a de Polignac number, because 44226213161 - 2¹⁰ = 44226212137 is a prime.

It is a super-2 number, since 2×44226213161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44226213169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130846616 + ... + 130846953.

It is an arithmetic number, because the mean of its divisors is an integer number (7981653885).

Almost surely, 2^44226213161 is an apocalyptic number.

It is an amenable number.

44226213161 is a deficient number, since it is larger than the sum of its proper divisors (3663710149).

44226213161 is a wasteful number, since it uses less digits than its factorization.

44226213161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261693595 (or 261693582 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The spelling of 44226213161 in words is "forty-four billion, two hundred twenty-six million, two hundred thirteen thousand, one hundred sixty-one".