228522580 has 48 divisors (see below), whose sum is σ = 563802624. Its totient is φ = 76705920.

The previous prime is 228522571. The next prime is 228522629. The reversal of 228522580 is 85225822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37092 + ... + 42811.

It is an arithmetic number, because the mean of its divisors is an integer number (11745888).

Almost surely, 2^228522580 is an apocalyptic number.

228522580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228522580 is an abundant number, since it is smaller than the sum of its proper divisors (335280044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228522580 is a wasteful number, since it uses less digits than its factorization.

228522580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79936 (or 79934 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 228522580 is about 15116.9633193972. The cubic root of 228522580 is about 611.3778582293.

It can be divided in two parts, 2 and 28522580, that added together give a palindrome (28522582).

The spelling of 228522580 in words is "two hundred twenty-eight million, five hundred twenty-two thousand, five hundred eighty".