228929229 has 12 divisors (see below), whose sum is σ = 331061536. Its totient is φ = 152441352.

The previous prime is 228929213. The next prime is 228929231. The reversal of 228929229 is 922929822.

It is not a de Polignac number, because 228929229 - 2⁴ = 228929213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228929209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6457 + ... + 22350.

Almost surely, 2^228929229 is an apocalyptic number.

It is an amenable number.

228929229 is a deficient number, since it is larger than the sum of its proper divisors (102132307).

228929229 is a wasteful number, since it uses less digits than its factorization.

228929229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29696 (or 29693 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 228929229 is about 15130.4074300727. The cubic root of 228929229 is about 611.7402861230.

The spelling of 228929229 in words is "two hundred twenty-eight million, nine hundred twenty-nine thousand, two hundred twenty-nine".