228280282 has 4 divisors (see below), whose sum is σ = 342420426. Its totient is φ = 114140140.

The previous prime is 228280243. The next prime is 228280289. The reversal of 228280282 is 282082822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 206180881 + 22099401 = 14359^2 + 4701^2 .

It is a super-2 number, since 2×228280282² = 104223774299999048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228280289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57070069 + ... + 57070072.

Almost surely, 2^228280282 is an apocalyptic number.

228280282 is a deficient number, since it is larger than the sum of its proper divisors (114140144).

228280282 is a wasteful number, since it uses less digits than its factorization.

228280282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114140143.

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 228280282 is about 15108.9470844265. The cubic root of 228280282 is about 611.1617045080.

The spelling of 228280282 in words is "two hundred twenty-eight million, two hundred eighty thousand, two hundred eighty-two".