44021771 has 2 divisors, whose sum is σ = 44021772. Its totient is φ = 44021770.

The previous prime is 44021743. The next prime is 44021773. The reversal of 44021771 is 17712044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44021771 - 2⁶ = 44021707 is a prime.

Together with 44021773, it forms a pair of twin primes.

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 44021771.

It is not a weakly prime, because it can be changed into another prime (44021773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22010885 + 22010886.

It is an arithmetic number, because the mean of its divisors is an integer number (22010886).

Almost surely, 2^44021771 is an apocalyptic number.

44021771 is a deficient number, since it is larger than the sum of its proper divisors (1).

44021771 is an equidigital number, since it uses as much as digits as its factorization.

44021771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 44021771 is about 6634.8904286356. The cubic root of 44021771 is about 353.0930506088.

The spelling of 44021771 in words is "forty-four million, twenty-one thousand, seven hundred seventy-one".