228446144 has 28 divisors (see below), whose sum is σ = 455160888. Its totient is φ = 113760000.

The previous prime is 228446131. The next prime is 228446149. The reversal of 228446144 is 441644822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228446149) 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, 8954 + ... + 23174.

It is an arithmetic number, because the mean of its divisors is an integer number (16255746).

Almost surely, 2^228446144 is an apocalyptic number.

It is an amenable number.

228446144 is a deficient number, since it is larger than the sum of its proper divisors (226714744).

228446144 is a wasteful number, since it uses less digits than its factorization.

228446144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484 (or 14474 counting only the distinct ones).

The product of its digits is 49152, while the sum is 35.

The square root of 228446144 is about 15114.4349547047. The cubic root of 228446144 is about 611.3096862801.

The spelling of 228446144 in words is "two hundred twenty-eight million, four hundred forty-six thousand, one hundred forty-four".