44022491 has 2 divisors, whose sum is σ = 44022492. Its totient is φ = 44022490.

The previous prime is 44022439. The next prime is 44022533. The reversal of 44022491 is 19422044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44022491 - 2¹⁸ = 43760347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44022491.

It is not a weakly prime, because it can be changed into another prime (44022421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22011245 + 22011246.

It is an arithmetic number, because the mean of its divisors is an integer number (22011246).

Almost surely, 2^44022491 is an apocalyptic number.

44022491 is a deficient number, since it is larger than the sum of its proper divisors (1).

44022491 is an equidigital number, since it uses as much as digits as its factorization.

44022491 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 44022491 is about 6634.9446870339. The cubic root of 44022491 is about 353.0949756079.

The spelling of 44022491 in words is "forty-four million, twenty-two thousand, four hundred ninety-one".