44122609 has 2 divisors, whose sum is σ = 44122610. Its totient is φ = 44122608.

The previous prime is 44122597. The next prime is 44122651. The reversal of 44122609 is 90622144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43362225 + 760384 = 6585^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 44122609 - 2¹¹ = 44120561 is a prime.

It is not a weakly prime, because it can be changed into another prime (44122669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22061304 + 22061305.

It is an arithmetic number, because the mean of its divisors is an integer number (22061305).

Almost surely, 2^44122609 is an apocalyptic number.

It is an amenable number.

44122609 is a deficient number, since it is larger than the sum of its proper divisors (1).

44122609 is an equidigital number, since it uses as much as digits as its factorization.

44122609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 44122609 is about 6642.4851524110. The cubic root of 44122609 is about 353.3624479589.

It can be divided in two parts, 4412 and 2609, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 44122609 in words is "forty-four million, one hundred twenty-two thousand, six hundred nine".