38228448 has 24 divisors (see below), whose sum is σ = 100349928. Its totient is φ = 12742784.

The previous prime is 38228447. The next prime is 38228453. The reversal of 38228448 is 84482283.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×38228448² = 2922828472977408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38228447) 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 3 ways as a sum of consecutive naturals, for example, 199011 + ... + 199202.

It is an arithmetic number, because the mean of its divisors is an integer number (4181247).

Almost surely, 2^38228448 is an apocalyptic number.

It is an amenable number.

38228448 is an abundant number, since it is smaller than the sum of its proper divisors (62121480).

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

38228448 is a wasteful number, since it uses less digits than its factorization.

38228448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398226 (or 398218 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 38228448 is about 6182.9158169912. The cubic root of 38228448 is about 336.8699113696.

The spelling of 38228448 in words is "thirty-eight million, two hundred twenty-eight thousand, four hundred forty-eight".