228425779 has 8 divisors (see below), whose sum is σ = 236622960. Its totient is φ = 220250016.

The previous prime is 228425749. The next prime is 228425783. The reversal of 228425779 is 977524822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228425779 - 2¹³ = 228417587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228425749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18172 + ... + 28054.

It is an arithmetic number, because the mean of its divisors is an integer number (29577870).

Almost surely, 2^228425779 is an apocalyptic number.

228425779 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

228425779 is a deficient number, since it is larger than the sum of its proper divisors (8197181).

228425779 is an equidigital number, since it uses as much as digits as its factorization.

228425779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10709.

The product of its digits is 564480, while the sum is 46.

The square root of 228425779 is about 15113.7612459639. The cubic root of 228425779 is about 611.2915205227.

The spelling of 228425779 in words is "two hundred twenty-eight million, four hundred twenty-five thousand, seven hundred seventy-nine".