228899515 has 24 divisors (see below), whose sum is σ = 304734528. Its totient is φ = 164885760.

The previous prime is 228899497. The next prime is 228899521. The reversal of 228899515 is 515998822.

It is not a de Polignac number, because 228899515 - 2⁷ = 228899387 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 31342 + ... + 37948.

It is an arithmetic number, because the mean of its divisors is an integer number (12697272).

Almost surely, 2^228899515 is an apocalyptic number.

228899515 is a deficient number, since it is larger than the sum of its proper divisors (75835013).

228899515 is a wasteful number, since it uses less digits than its factorization.

228899515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679 (or 6666 counting only the distinct ones).

The product of its digits is 518400, while the sum is 49.

The square root of 228899515 is about 15129.4254682721. The cubic root of 228899515 is about 611.7138179179.

The spelling of 228899515 in words is "two hundred twenty-eight million, eight hundred ninety-nine thousand, five hundred fifteen".