38228018 has 8 divisors (see below), whose sum is σ = 57369648. Its totient is φ = 19104804.

The previous prime is 38228017. The next prime is 38228041. The reversal of 38228018 is 81082283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38228018² = 2922762720416648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38228011) 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, 3305 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (7171206).

Almost surely, 2^38228018 is an apocalyptic number.

38228018 is a deficient number, since it is larger than the sum of its proper divisors (19141630).

38228018 is a wasteful number, since it uses less digits than its factorization.

38228018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 38228018 is about 6182.8810436559. The cubic root of 38228018 is about 336.8686483084.

The spelling of 38228018 in words is "thirty-eight million, two hundred twenty-eight thousand, eighteen".