228045979 has 16 divisors (see below), whose sum is σ = 263678976. Its totient is φ = 193190400.

The previous prime is 228045967. The next prime is 228045991. The reversal of 228045979 is 979540822.

It is an interprime number because it is at equal distance from previous prime (228045967) and next prime (228045991).

It is a cyclic number.

It is not a de Polignac number, because 228045979 - 2²³ = 219657371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228045929) 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 in 15 ways as a sum of consecutive naturals, for example, 394939 + ... + 395515.

It is an arithmetic number, because the mean of its divisors is an integer number (16479936).

Almost surely, 2^228045979 is an apocalyptic number.

228045979 is a deficient number, since it is larger than the sum of its proper divisors (35632997).

228045979 is a wasteful number, since it uses less digits than its factorization.

228045979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 228045979 is about 15101.1913106218. The cubic root of 228045979 is about 610.9525376025.

The spelling of 228045979 in words is "two hundred twenty-eight million, forty-five thousand, nine hundred seventy-nine".