228940859 has 16 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 189298080.

The previous prime is 228940787. The next prime is 228940871. The reversal of 228940859 is 958049822.

It is a cyclic number.

It is not a de Polignac number, because 228940859 - 2⁸ = 228940603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228940879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74222 + ... + 77244.

It is an arithmetic number, because the mean of its divisors is an integer number (16934400).

Almost surely, 2^228940859 is an apocalyptic number.

228940859 is a deficient number, since it is larger than the sum of its proper divisors (42009541).

228940859 is a wasteful number, since it uses less digits than its factorization.

228940859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 228940859 is about 15130.7917505992. The cubic root of 228940859 is about 611.7506451017.

The spelling of 228940859 in words is "two hundred twenty-eight million, nine hundred forty thousand, eight hundred fifty-nine".