228592397 has 8 divisors (see below), whose sum is σ = 249858432. Its totient is φ = 207407200.

The previous prime is 228592379. The next prime is 228592417. The reversal of 228592397 is 793295822.

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

It is not a de Polignac number, because 228592397 - 2¹⁰ = 228591373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228592307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14213 + ... + 25674.

It is an arithmetic number, because the mean of its divisors is an integer number (31232304).

Almost surely, 2^228592397 is an apocalyptic number.

It is an amenable number.

228592397 is a deficient number, since it is larger than the sum of its proper divisors (21266035).

228592397 is a wasteful number, since it uses less digits than its factorization.

228592397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40419.

The product of its digits is 544320, while the sum is 47.

The square root of 228592397 is about 15119.2723700580. The cubic root of 228592397 is about 611.4401135241.

The spelling of 228592397 in words is "two hundred twenty-eight million, five hundred ninety-two thousand, three hundred ninety-seven".