228197283 has 16 divisors (see below), whose sum is σ = 320004096. Its totient is φ = 144365760.

The previous prime is 228197269. The next prime is 228197311. The reversal of 228197283 is 382791822.

It is a happy number.

It is not a de Polignac number, because 228197283 - 2⁵ = 228197251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228197213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4258 + ... + 21783.

It is an arithmetic number, because the mean of its divisors is an integer number (20000256).

Almost surely, 2^228197283 is an apocalyptic number.

228197283 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

228197283 is a deficient number, since it is larger than the sum of its proper divisors (91806813).

228197283 is a wasteful number, since it uses less digits than its factorization.

228197283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26194.

The product of its digits is 96768, while the sum is 42.

The square root of 228197283 is about 15106.2001509314. The cubic root of 228197283 is about 611.0876260421.

The spelling of 228197283 in words is "two hundred twenty-eight million, one hundred ninety-seven thousand, two hundred eighty-three".