228580479 has 12 divisors (see below), whose sum is σ = 331850376. Its totient is φ = 151612272.

The previous prime is 228580477. The next prime is 228580489. The reversal of 228580479 is 974085822.

228580479 is a `hidden beast` number, since 2 + 28 + 580 + 47 + 9 = 666.

It is not a de Polignac number, because 228580479 - 2¹ = 228580477 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228580477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62689 + ... + 66234.

It is an arithmetic number, because the mean of its divisors is an integer number (27654198).

Almost surely, 2^228580479 is an apocalyptic number.

228580479 is a deficient number, since it is larger than the sum of its proper divisors (103269897).

228580479 is a wasteful number, since it uses less digits than its factorization.

228580479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129126 (or 129123 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 228580479 is about 15118.8782321970. The cubic root of 228580479 is about 611.4294872303.

The spelling of 228580479 in words is "two hundred twenty-eight million, five hundred eighty thousand, four hundred seventy-nine".