39220065 has 32 divisors (see below), whose sum is σ = 70007040. Its totient is φ = 20832768.

The previous prime is 39220033. The next prime is 39220079. The reversal of 39220065 is 56002293.

39220065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39220065 - 2⁵ = 39220033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47244 + ... + 48066.

It is an arithmetic number, because the mean of its divisors is an integer number (2187720).

Almost surely, 2^39220065 is an apocalyptic number.

It is an amenable number.

39220065 is a deficient number, since it is larger than the sum of its proper divisors (30786975).

39220065 is a wasteful number, since it uses less digits than its factorization.

39220065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 39220065 is about 6262.5925142867. The cubic root of 39220065 is about 339.7578004047.

The spelling of 39220065 in words is "thirty-nine million, two hundred twenty thousand, sixty-five".