228818429 has 8 divisors (see below), whose sum is σ = 264096768. Its totient is φ = 194187600.

The previous prime is 228818413. The next prime is 228818449. The reversal of 228818429 is 924818822.

It is a happy number.

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 228818429 - 2⁴ = 228818413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228818429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228818449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161117 + ... + 162530.

It is an arithmetic number, because the mean of its divisors is an integer number (33012096).

Almost surely, 2^228818429 is an apocalyptic number.

It is an amenable number.

228818429 is a deficient number, since it is larger than the sum of its proper divisors (35278339).

228818429 is a wasteful number, since it uses less digits than its factorization.

228818429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323755.

The product of its digits is 147456, while the sum is 44.

The square root of 228818429 is about 15126.7454860588. The cubic root of 228818429 is about 611.6415776530.

The spelling of 228818429 in words is "two hundred twenty-eight million, eight hundred eighteen thousand, four hundred twenty-nine".