228385829 has 16 divisors (see below), whose sum is σ = 267124608. Its totient is φ = 191227392.

The previous prime is 228385823. The next prime is 228385849. The reversal of 228385829 is 928583822.

It is a happy number.

228385829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 228385829 - 2¹² = 228381733 is a prime.

It is a super-3 number, since 3×228385829³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228385823) 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, 52589 + ... + 56765.

It is an arithmetic number, because the mean of its divisors is an integer number (16695288).

Almost surely, 2^228385829 is an apocalyptic number.

It is an amenable number.

228385829 is a deficient number, since it is larger than the sum of its proper divisors (38738779).

228385829 is a wasteful number, since it uses less digits than its factorization.

228385829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364.

The product of its digits is 552960, while the sum is 47.

The square root of 228385829 is about 15112.4395449577. The cubic root of 228385829 is about 611.2558816379.

The spelling of 228385829 in words is "two hundred twenty-eight million, three hundred eighty-five thousand, eight hundred twenty-nine".