39222465 has 16 divisors (see below), whose sum is σ = 62915136. Its totient is φ = 20865600.

The previous prime is 39222461. The next prime is 39222497. The reversal of 39222465 is 56422293.

39222465 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 39222465 - 2² = 39222461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39222461) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3210 + ... + 9420.

It is an arithmetic number, because the mean of its divisors is an integer number (3932196).

Almost surely, 2^39222465 is an apocalyptic number.

It is an amenable number.

39222465 is a deficient number, since it is larger than the sum of its proper divisors (23692671).

39222465 is a wasteful number, since it uses less digits than its factorization.

39222465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640.

The product of its digits is 25920, while the sum is 33.

The square root of 39222465 is about 6262.7841252912. The cubic root of 39222465 is about 339.7647305487.

The spelling of 39222465 in words is "thirty-nine million, two hundred twenty-two thousand, four hundred sixty-five".