228580587 has 24 divisors (see below), whose sum is σ = 335382528. Its totient is φ = 150001200.

The previous prime is 228580579. The next prime is 228580609. The reversal of 228580587 is 785085822.

It is not a de Polignac number, because 228580587 - 2³ = 228580579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228580537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176412 + ... + 177702.

It is an arithmetic number, because the mean of its divisors is an integer number (13974272).

Almost surely, 2^228580587 is an apocalyptic number.

228580587 is a deficient number, since it is larger than the sum of its proper divisors (106801941).

228580587 is a wasteful number, since it uses less digits than its factorization.

228580587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 228580587 is about 15118.8818038901. The cubic root of 228580587 is about 611.4295835266.

The spelling of 228580587 in words is "two hundred twenty-eight million, five hundred eighty thousand, five hundred eighty-seven".