39424225 has 12 divisors (see below), whose sum is σ = 49108464. Its totient is φ = 31395920.

The previous prime is 39424223. The next prime is 39424243. The reversal of 39424225 is 52242493.

It is not a de Polignac number, because 39424225 - 2¹ = 39424223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39424223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2202 + ... + 9148.

It is an arithmetic number, because the mean of its divisors is an integer number (4092372).

Almost surely, 2^39424225 is an apocalyptic number.

It is an amenable number.

39424225 is a deficient number, since it is larger than the sum of its proper divisors (9684239).

39424225 is a wasteful number, since it uses less digits than its factorization.

39424225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184 (or 7179 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 39424225 is about 6278.8713157701. The cubic root of 39424225 is about 340.3463166797.

The spelling of 39424225 in words is "thirty-nine million, four hundred twenty-four thousand, two hundred twenty-five".