44012221037 has 2 divisors, whose sum is σ = 44012221038. Its totient is φ = 44012221036.

The previous prime is 44012221031. The next prime is 44012221069. The reversal of 44012221037 is 73012221044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31852968676 + 12159252361 = 178474^2 + 110269^2 .

It is a cyclic number.

It is not a de Polignac number, because 44012221037 - 2²⁰ = 44011172461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44012220997 and 44012221015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44012221031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22006110518 + 22006110519.

It is an arithmetic number, because the mean of its divisors is an integer number (22006110519).

Almost surely, 2^44012221037 is an apocalyptic number.

It is an amenable number.

44012221037 is a deficient number, since it is larger than the sum of its proper divisors (1).

44012221037 is an equidigital number, since it uses as much as digits as its factorization.

44012221037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The spelling of 44012221037 in words is "forty-four billion, twelve million, two hundred twenty-one thousand, thirty-seven".