228060872 has 32 divisors (see below), whose sum is σ = 476393400. Its totient is φ = 101627904.

The previous prime is 228060841. The next prime is 228060881. The reversal of 228060872 is 278060822.

It can be written as a sum of positive squares in 4 ways, for example, as 133310116 + 94750756 = 11546^2 + 9734^2 .

It is a super-2 number, since 2×228060872² = 104023522674800768, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 34793 + ... + 40824.

Almost surely, 2^228060872 is an apocalyptic number.

It is an amenable number.

228060872 is an abundant number, since it is smaller than the sum of its proper divisors (248332528).

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

228060872 is a wasteful number, since it uses less digits than its factorization.

228060872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75665 (or 75661 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 228060872 is about 15101.6844093631. The cubic root of 228060872 is about 610.9658371399.

The spelling of 228060872 in words is "two hundred twenty-eight million, sixty thousand, eight hundred seventy-two".