228407404 has 12 divisors (see below), whose sum is σ = 408217824. Its totient is φ = 111773744.

The previous prime is 228407371. The next prime is 228407449. The reversal of 228407404 is 404704822.

228407404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 607279 + ... + 607654.

It is an arithmetic number, because the mean of its divisors is an integer number (34018152).

Almost surely, 2^228407404 is an apocalyptic number.

It is an amenable number.

228407404 is a deficient number, since it is larger than the sum of its proper divisors (179810420).

228407404 is a wasteful number, since it uses less digits than its factorization.

228407404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214984 (or 1214982 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 228407404 is about 15113.1533440245. The cubic root of 228407404 is about 611.2751289360.

The spelling of 228407404 in words is "two hundred twenty-eight million, four hundred seven thousand, four hundred four".