38228159 has 4 divisors (see below), whose sum is σ = 38285304. Its totient is φ = 38171016.

The previous prime is 38228147. The next prime is 38228173. The reversal of 38228159 is 95182283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95182283 = 7 ⋅13597469.

It is a cyclic number.

It is not a de Polignac number, because 38228159 - 2¹² = 38224063 is a prime.

It is a super-2 number, since 2×38228159² = 2922784281058562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38228059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27557 + ... + 28910.

It is an arithmetic number, because the mean of its divisors is an integer number (9571326).

Almost surely, 2^38228159 is an apocalyptic number.

38228159 is a deficient number, since it is larger than the sum of its proper divisors (57145).

38228159 is an equidigital number, since it uses as much as digits as its factorization.

38228159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57144.

The product of its digits is 34560, while the sum is 38.

The square root of 38228159 is about 6182.8924460967. The cubic root of 38228159 is about 336.8690624760.

The spelling of 38228159 in words is "thirty-eight million, two hundred twenty-eight thousand, one hundred fifty-nine".