44022191 has 2 divisors, whose sum is σ = 44022192. Its totient is φ = 44022190.

The previous prime is 44022179. The next prime is 44022241. The reversal of 44022191 is 19122044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44022191 - 2¹⁸ = 43760047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44022101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22011095 + 22011096.

It is an arithmetic number, because the mean of its divisors is an integer number (22011096).

Almost surely, 2^44022191 is an apocalyptic number.

44022191 is a deficient number, since it is larger than the sum of its proper divisors (1).

44022191 is an equidigital number, since it uses as much as digits as its factorization.

44022191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 44022191 is about 6634.9220794219. The cubic root of 44022191 is about 353.0941735275.

The spelling of 44022191 in words is "forty-four million, twenty-two thousand, one hundred ninety-one".