228119638 has 16 divisors (see below), whose sum is σ = 357194880. Its totient is φ = 109137600.

The previous prime is 228119629. The next prime is 228119699. The reversal of 228119638 is 836911822.

228119638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228119638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15153 + ... + 26188.

It is an arithmetic number, because the mean of its divisors is an integer number (22324680).

Almost surely, 2^228119638 is an apocalyptic number.

228119638 is a deficient number, since it is larger than the sum of its proper divisors (129075242).

228119638 is a wasteful number, since it uses less digits than its factorization.

228119638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41463.

The product of its digits is 41472, while the sum is 40.

The square root of 228119638 is about 15103.6299610392. The cubic root of 228119638 is about 611.0183098776.

The spelling of 228119638 in words is "two hundred twenty-eight million, one hundred nineteen thousand, six hundred thirty-eight".