228081448 has 16 divisors (see below), whose sum is σ = 488746080. Its totient is φ = 97749168.

The previous prime is 228081437. The next prime is 228081463. The reversal of 228081448 is 844180822.

228081448 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228081448² = 104042293843553408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036386 + ... + 2036497.

It is an arithmetic number, because the mean of its divisors is an integer number (30546630).

Almost surely, 2^228081448 is an apocalyptic number.

228081448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228081448 is an abundant number, since it is smaller than the sum of its proper divisors (260664632).

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

228081448 is a wasteful number, since it uses less digits than its factorization.

228081448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072896 (or 4072892 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 37.

The square root of 228081448 is about 15102.3656425078. The cubic root of 228081448 is about 610.9842106775.

The spelling of 228081448 in words is "two hundred twenty-eight million, eighty-one thousand, four hundred forty-eight".