44242091 has 2 divisors, whose sum is σ = 44242092. Its totient is φ = 44242090.

The previous prime is 44242067. The next prime is 44242097. The reversal of 44242091 is 19024244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44242091 - 2¹⁴ = 44225707 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44242091.

It is not a weakly prime, because it can be changed into another prime (44242097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22121045 + 22121046.

It is an arithmetic number, because the mean of its divisors is an integer number (22121046).

Almost surely, 2^44242091 is an apocalyptic number.

44242091 is a deficient number, since it is larger than the sum of its proper divisors (1).

44242091 is an equidigital number, since it uses as much as digits as its factorization.

44242091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 44242091 is about 6651.4728444157. The cubic root of 44242091 is about 353.6811235755.

The spelling of 44242091 in words is "forty-four million, two hundred forty-two thousand, ninety-one".