39228193 has 4 divisors (see below), whose sum is σ = 39282880. Its totient is φ = 39173508.

The previous prime is 39228191. The next prime is 39228199. The reversal of 39228193 is 39182293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39182293 = 139 ⋅281887.

It is a cyclic number.

It is not a de Polignac number, because 39228193 - 2¹ = 39228191 is a prime.

It is a super-2 number, since 2×39228193² = 3077702252090498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39228191) 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 3 ways as a sum of consecutive naturals, for example, 26253 + ... + 27706.

It is an arithmetic number, because the mean of its divisors is an integer number (9820720).

Almost surely, 2^39228193 is an apocalyptic number.

It is an amenable number.

39228193 is a deficient number, since it is larger than the sum of its proper divisors (54687).

39228193 is an equidigital number, since it uses as much as digits as its factorization.

39228193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54686.

The product of its digits is 23328, while the sum is 37.

The square root of 39228193 is about 6263.2414131981. The cubic root of 39228193 is about 339.7812693498.

The spelling of 39228193 in words is "thirty-nine million, two hundred twenty-eight thousand, one hundred ninety-three".