228714393 has 8 divisors (see below), whose sum is σ = 305129056. Its totient is φ = 152388000.

The previous prime is 228714391. The next prime is 228714397. The reversal of 228714393 is 393417822.

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

It is not a de Polignac number, because 228714393 - 2¹ = 228714391 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228714391) 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, 15763 + ... + 26568.

It is an arithmetic number, because the mean of its divisors is an integer number (38141132).

Almost surely, 2^228714393 is an apocalyptic number.

It is an amenable number.

228714393 is a deficient number, since it is larger than the sum of its proper divisors (76414663).

228714393 is a wasteful number, since it uses less digits than its factorization.

228714393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44135.

The product of its digits is 72576, while the sum is 39.

The square root of 228714393 is about 15123.3062853332. The cubic root of 228714393 is about 611.5488660217.

The spelling of 228714393 in words is "two hundred twenty-eight million, seven hundred fourteen thousand, three hundred ninety-three".