228023711 has 16 divisors (see below), whose sum is σ = 241008768. Its totient is φ = 215460000.

The previous prime is 228023707. The next prime is 228023729. The reversal of 228023711 is 117320822.

It is a cyclic number.

It is not a de Polignac number, because 228023711 - 2² = 228023707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228023701) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 399056 + ... + 399626.

It is an arithmetic number, because the mean of its divisors is an integer number (15063048).

Almost surely, 2^228023711 is an apocalyptic number.

228023711 is a deficient number, since it is larger than the sum of its proper divisors (12985057).

228023711 is a wasteful number, since it uses less digits than its factorization.

228023711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 228023711 is about 15100.4539997975. The cubic root of 228023711 is about 610.9326510662.

The spelling of 228023711 in words is "two hundred twenty-eight million, twenty-three thousand, seven hundred eleven".