228246727 has 4 divisors (see below), whose sum is σ = 228445840. Its totient is φ = 228047616.

The previous prime is 228246703. The next prime is 228246731. The reversal of 228246727 is 727642822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727642822 = 2 ⋅363821411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228246727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228246727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228246787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97827 + ... + 100132.

It is an arithmetic number, because the mean of its divisors is an integer number (57111460).

Almost surely, 2^228246727 is an apocalyptic number.

228246727 is a deficient number, since it is larger than the sum of its proper divisors (199113).

228246727 is a wasteful number, since it uses less digits than its factorization.

228246727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199112.

The product of its digits is 150528, while the sum is 40.

The square root of 228246727 is about 15107.8366088597. The cubic root of 228246727 is about 611.1317580817.

The spelling of 228246727 in words is "two hundred twenty-eight million, two hundred forty-six thousand, seven hundred twenty-seven".