228404224 has 22 divisors (see below), whose sum is σ = 456587444. Its totient is φ = 114201600.

The previous prime is 228404207. The next prime is 228404243. The reversal of 228404224 is 422404822.

It is a junction number, because it is equal to n+sod(n) for n = 228404192 and 228404201.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 110502 + ... + 112549.

Almost surely, 2^228404224 is an apocalyptic number.

It is an amenable number.

228404224 is a deficient number, since it is larger than the sum of its proper divisors (228183220).

228404224 is an equidigital number, since it uses as much as digits as its factorization.

228404224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223071 (or 223053 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 228404224 is about 15113.0481372885. The cubic root of 228404224 is about 611.2722920987.

The spelling of 228404224 in words is "two hundred twenty-eight million, four hundred four thousand, two hundred twenty-four".