228475413 has 24 divisors (see below), whose sum is σ = 339775488. Its totient is φ = 147867552.

The previous prime is 228475409. The next prime is 228475451. The reversal of 228475413 is 314574822.

It is a happy number.

It is not a de Polignac number, because 228475413 - 2² = 228475409 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228475453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51595 + ... + 55847.

It is an arithmetic number, because the mean of its divisors is an integer number (14157312).

Almost surely, 2^228475413 is an apocalyptic number.

It is an amenable number.

228475413 is a deficient number, since it is larger than the sum of its proper divisors (111300075).

228475413 is a wasteful number, since it uses less digits than its factorization.

228475413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433 (or 4430 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 228475413 is about 15115.4031702763. The cubic root of 228475413 is about 611.3357925924.

The spelling of 228475413 in words is "two hundred twenty-eight million, four hundred seventy-five thousand, four hundred thirteen".