228975479 has 8 divisors (see below), whose sum is σ = 241176240. Its totient is φ = 216789696.

The previous prime is 228975469. The next prime is 228975491. The reversal of 228975479 is 974579822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228975479 - 2⁸ = 228975223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228975479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228975449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42227 + ... + 47339.

It is an arithmetic number, because the mean of its divisors is an integer number (30147030).

Almost surely, 2^228975479 is an apocalyptic number.

228975479 is a deficient number, since it is larger than the sum of its proper divisors (12200761).

228975479 is a wasteful number, since it uses less digits than its factorization.

228975479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489.

The product of its digits is 2540160, while the sum is 53.

The square root of 228975479 is about 15131.9357320866. The cubic root of 228975479 is about 611.7814794694.

The spelling of 228975479 in words is "two hundred twenty-eight million, nine hundred seventy-five thousand, four hundred seventy-nine".