38228117 has 2 divisors, whose sum is σ = 38228118. Its totient is φ = 38228116.

The previous prime is 38228111. The next prime is 38228147. The reversal of 38228117 is 71182283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22791076 + 15437041 = 4774^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 38228117 - 2⁴ = 38228101 is a prime.

It is a super-2 number, since 2×38228117² = 2922777858731378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38228111) 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 as a sum of consecutive naturals, namely, 19114058 + 19114059.

It is an arithmetic number, because the mean of its divisors is an integer number (19114059).

Almost surely, 2^38228117 is an apocalyptic number.

It is an amenable number.

38228117 is a deficient number, since it is larger than the sum of its proper divisors (1).

38228117 is an equidigital number, since it uses as much as digits as its factorization.

38228117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 32.

The square root of 38228117 is about 6182.8890496272. The cubic root of 38228117 is about 336.8689391071.

The spelling of 38228117 in words is "thirty-eight million, two hundred twenty-eight thousand, one hundred seventeen".