228144416 has 24 divisors (see below), whose sum is σ = 454849920. Its totient is φ = 112627008.

The previous prime is 228144409. The next prime is 228144443. The reversal of 228144416 is 614441822.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 42596 + ... + 47651.

It is an arithmetic number, because the mean of its divisors is an integer number (18952080).

Almost surely, 2^228144416 is an apocalyptic number.

It is an amenable number.

228144416 is a deficient number, since it is larger than the sum of its proper divisors (226705504).

228144416 is an equidigital number, since it uses as much as digits as its factorization.

228144416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90336 (or 90328 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 228144416 is about 15104.4502051548. The cubic root of 228144416 is about 611.0404316959.

The spelling of 228144416 in words is "two hundred twenty-eight million, one hundred forty-four thousand, four hundred sixteen".