38228331 has 4 divisors (see below), whose sum is σ = 50971112. Its totient is φ = 25485552.

The previous prime is 38228299. The next prime is 38228341. The reversal of 38228331 is 13382283.

38228331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13382283 = 3 ⋅4460761.

It is not a de Polignac number, because 38228331 - 2⁵ = 38228299 is a prime.

It is a super-2 number, since 2×38228331² = 2922810582091122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38228341) 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 3 ways as a sum of consecutive naturals, for example, 6371386 + ... + 6371391.

It is an arithmetic number, because the mean of its divisors is an integer number (12742778).

Almost surely, 2^38228331 is an apocalyptic number.

38228331 is a deficient number, since it is larger than the sum of its proper divisors (12742781).

38228331 is a wasteful number, since it uses less digits than its factorization.

38228331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12742780.

The product of its digits is 6912, while the sum is 30.

The square root of 38228331 is about 6182.9063554287. The cubic root of 38228331 is about 336.8695677004.

The spelling of 38228331 in words is "thirty-eight million, two hundred twenty-eight thousand, three hundred thirty-one".