44244391 has 2 divisors, whose sum is σ = 44244392. Its totient is φ = 44244390.

The previous prime is 44244329. The next prime is 44244413. The reversal of 44244391 is 19344244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44244391 - 2²¹ = 42147239 is a prime.

It is a super-2 number, since 2×44244391² = 3915132269921762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44244311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22122195 + 22122196.

It is an arithmetic number, because the mean of its divisors is an integer number (22122196).

Almost surely, 2^44244391 is an apocalyptic number.

44244391 is a deficient number, since it is larger than the sum of its proper divisors (1).

44244391 is an equidigital number, since it uses as much as digits as its factorization.

44244391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 44244391 is about 6651.6457362069. The cubic root of 44244391 is about 353.6872523733.

The spelling of 44244391 in words is "forty-four million, two hundred forty-four thousand, three hundred ninety-one".