228947415 has 32 divisors (see below), whose sum is σ = 391469760. Its totient is φ = 113854464.

The previous prime is 228947401. The next prime is 228947423. The reversal of 228947415 is 514749822.

It is not a de Polignac number, because 228947415 - 2⁷ = 228947287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23677 + ... + 31913.

It is an arithmetic number, because the mean of its divisors is an integer number (12233430).

Almost surely, 2^228947415 is an apocalyptic number.

228947415 is a deficient number, since it is larger than the sum of its proper divisors (162522345).

228947415 is a wasteful number, since it uses less digits than its factorization.

228947415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371.

The product of its digits is 161280, while the sum is 42.

The square root of 228947415 is about 15131.0083933623. The cubic root of 228947415 is about 611.7564844540.

The spelling of 228947415 in words is "two hundred twenty-eight million, nine hundred forty-seven thousand, four hundred fifteen".