228099930 has 32 divisors (see below), whose sum is σ = 559090944. Its totient is φ = 59532096.

The previous prime is 228099929. The next prime is 228099943. The reversal of 228099930 is 39990822.

228099930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79477 + ... + 82296.

It is an arithmetic number, because the mean of its divisors is an integer number (17471592).

Almost surely, 2^228099930 is an apocalyptic number.

228099930 is an abundant number, since it is smaller than the sum of its proper divisors (330991014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228099930 is a wasteful number, since it uses less digits than its factorization.

228099930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161830.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 228099930 is about 15102.9775210056. The cubic root of 228099930 is about 611.0007134156. Note that the first 3 decimals are identical.

The spelling of 228099930 in words is "two hundred twenty-eight million, ninety-nine thousand, nine hundred thirty".