44099213 has 2 divisors, whose sum is σ = 44099214. Its totient is φ = 44099212.

The previous prime is 44099197. The next prime is 44099221. The reversal of 44099213 is 31299044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37478884 + 6620329 = 6122^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 44099213 - 2⁴ = 44099197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44099213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44099243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22049606 + 22049607.

It is an arithmetic number, because the mean of its divisors is an integer number (22049607).

Almost surely, 2^44099213 is an apocalyptic number.

It is an amenable number.

44099213 is a deficient number, since it is larger than the sum of its proper divisors (1).

44099213 is an equidigital number, since it uses as much as digits as its factorization.

44099213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 44099213 is about 6640.7238310293. The cubic root of 44099213 is about 353.2999801395.

The spelling of 44099213 in words is "forty-four million, ninety-nine thousand, two hundred thirteen".