228868415 has 8 divisors (see below), whose sum is σ = 274723488. Its totient is φ = 183040480.

The previous prime is 228868411. The next prime is 228868439. The reversal of 228868415 is 514868822.

228868415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228868415 - 2² = 228868411 is a prime.

It is a super-2 number, since 2×228868415² = 104761502769224450, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228868411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27929 + ... + 35181.

It is an arithmetic number, because the mean of its divisors is an integer number (34340436).

Almost surely, 2^228868415 is an apocalyptic number.

228868415 is a deficient number, since it is larger than the sum of its proper divisors (45855073).

228868415 is an equidigital number, since it uses as much as digits as its factorization.

228868415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13569.

The product of its digits is 245760, while the sum is 44.

The square root of 228868415 is about 15128.3976349116. The cubic root of 228868415 is about 611.6861126584.

The spelling of 228868415 in words is "two hundred twenty-eight million, eight hundred sixty-eight thousand, four hundred fifteen".