228719829 has 32 divisors (see below), whose sum is σ = 348242944. Its totient is φ = 132503040.

The previous prime is 228719809. The next prime is 228719831. The reversal of 228719829 is 928917822.

It is not a de Polignac number, because 228719829 - 2¹¹ = 228717781 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 (228719809) 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 31 ways as a sum of consecutive naturals, for example, 42177 + ... + 47289.

It is an arithmetic number, because the mean of its divisors is an integer number (10882592).

Almost surely, 2^228719829 is an apocalyptic number.

It is an amenable number.

228719829 is a deficient number, since it is larger than the sum of its proper divisors (119523115).

228719829 is a wasteful number, since it uses less digits than its factorization.

228719829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197.

The product of its digits is 290304, while the sum is 48.

The square root of 228719829 is about 15123.4860068702. The cubic root of 228719829 is about 611.5537110065.

The spelling of 228719829 in words is "two hundred twenty-eight million, seven hundred nineteen thousand, eight hundred twenty-nine".