228312862 has 4 divisors (see below), whose sum is σ = 342469296. Its totient is φ = 114156430.

The previous prime is 228312841. The next prime is 228312869. The reversal of 228312862 is 268213822.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228312869) 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, 57078214 + ... + 57078217.

It is an arithmetic number, because the mean of its divisors is an integer number (85617324).

Almost surely, 2^228312862 is an apocalyptic number.

228312862 is a deficient number, since it is larger than the sum of its proper divisors (114156434).

228312862 is a wasteful number, since it uses less digits than its factorization.

228312862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114156433.

The product of its digits is 18432, while the sum is 34.

The square root of 228312862 is about 15110.0252150683. The cubic root of 228312862 is about 611.1907779799.

The spelling of 228312862 in words is "two hundred twenty-eight million, three hundred twelve thousand, eight hundred sixty-two".