38228118 has 16 divisors (see below), whose sum is σ = 78234816. Its totient is φ = 12446280.

The previous prime is 38228117. The next prime is 38228147. The reversal of 38228118 is 81182283.

It is a super-2 number, since 2×38228118² = 2922778011643848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 7 ways as a sum of consecutive naturals, for example, 73828 + ... + 74343.

It is an arithmetic number, because the mean of its divisors is an integer number (4889676).

Almost surely, 2^38228118 is an apocalyptic number.

38228118 is an abundant number, since it is smaller than the sum of its proper divisors (40006698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38228118 is a wasteful number, since it uses less digits than its factorization.

38228118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148219.

The product of its digits is 6144, while the sum is 33.

The square root of 38228118 is about 6182.8891304955. The cubic root of 38228118 is about 336.8689420444.

The spelling of 38228118 in words is "thirty-eight million, two hundred twenty-eight thousand, one hundred eighteen".