39197225 has 12 divisors (see below), whose sum is σ = 48825744. Its totient is φ = 31215120.

The previous prime is 39197177. The next prime is 39197227. The reversal of 39197225 is 52279193.

It is not a de Polignac number, because 39197225 - 2⁶ = 39197161 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39197227) 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, 2222 + ... + 9128.

It is an arithmetic number, because the mean of its divisors is an integer number (4068812).

Almost surely, 2^39197225 is an apocalyptic number.

It is an amenable number.

39197225 is a deficient number, since it is larger than the sum of its proper divisors (9628519).

39197225 is a wasteful number, since it uses less digits than its factorization.

39197225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144 (or 7139 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 39197225 is about 6260.7687227688. The cubic root of 39197225 is about 339.6918343826.

The spelling of 39197225 in words is "thirty-nine million, one hundred ninety-seven thousand, two hundred twenty-five".