228023678 has 4 divisors (see below), whose sum is σ = 342035520. Its totient is φ = 114011838.

The previous prime is 228023657. The next prime is 228023683. The reversal of 228023678 is 876320822.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57005918 + ... + 57005921.

It is an arithmetic number, because the mean of its divisors is an integer number (85508880).

Almost surely, 2^228023678 is an apocalyptic number.

228023678 is a deficient number, since it is larger than the sum of its proper divisors (114011842).

228023678 is a wasteful number, since it uses less digits than its factorization.

228023678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114011841.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 228023678 is about 15100.4529071151. The cubic root of 228023678 is about 610.9326215944.

The spelling of 228023678 in words is "two hundred twenty-eight million, twenty-three thousand, six hundred seventy-eight".