44226213137 has 2 divisors, whose sum is σ = 44226213138. Its totient is φ = 44226213136.

The previous prime is 44226213071. The next prime is 44226213149. The reversal of 44226213137 is 73131262244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27646045441 + 16580167696 = 166271^2 + 128764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44226213137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44226213097 and 44226213106.

It is not a weakly prime, because it can be changed into another prime (44226210137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22113106568 + 22113106569.

It is an arithmetic number, because the mean of its divisors is an integer number (22113106569).

Almost surely, 2^44226213137 is an apocalyptic number.

It is an amenable number.

44226213137 is a deficient number, since it is larger than the sum of its proper divisors (1).

44226213137 is an equidigital number, since it uses as much as digits as its factorization.

44226213137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The spelling of 44226213137 in words is "forty-four billion, two hundred twenty-six million, two hundred thirteen thousand, one hundred thirty-seven".