38227239 has 6 divisors (see below), whose sum is σ = 55217136. Its totient is φ = 25484820.

The previous prime is 38227229. The next prime is 38227243. The reversal of 38227239 is 93272283.

38227239 is a `hidden beast` number, since 382 + 272 + 3 + 9 = 666.

38227239 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 38227239 - 2⁴ = 38227223 is a prime.

It is a super-2 number, since 2×38227239² = 2922643603126242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38227229) 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 5 ways as a sum of consecutive naturals, for example, 2123727 + ... + 2123744.

It is an arithmetic number, because the mean of its divisors is an integer number (9202856).

Almost surely, 2^38227239 is an apocalyptic number.

38227239 is a deficient number, since it is larger than the sum of its proper divisors (16989897).

38227239 is a wasteful number, since it uses less digits than its factorization.

38227239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247477 (or 4247474 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 38227239 is about 6182.8180468133. The cubic root of 38227239 is about 336.8663600874.

The spelling of 38227239 in words is "thirty-eight million, two hundred twenty-seven thousand, two hundred thirty-nine".