44170081 has 2 divisors, whose sum is σ = 44170082. Its totient is φ = 44170080.

The previous prime is 44170031. The next prime is 44170099. The reversal of 44170081 is 18007144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33872400 + 10297681 = 5820^2 + 3209^2 .

It is a cyclic number.

It is not a de Polignac number, because 44170081 - 2⁷ = 44169953 is a prime.

It is a super-2 number, since 2×44170081² = 3901992111093122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44170031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22085040 + 22085041.

It is an arithmetic number, because the mean of its divisors is an integer number (22085041).

Almost surely, 2^44170081 is an apocalyptic number.

It is an amenable number.

44170081 is a deficient number, since it is larger than the sum of its proper divisors (1).

44170081 is an equidigital number, since it uses as much as digits as its factorization.

44170081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 44170081 is about 6646.0575531664. The cubic root of 44170081 is about 353.4891313836.

The spelling of 44170081 in words is "forty-four million, one hundred seventy thousand, eighty-one".