228400068 has 24 divisors (see below), whose sum is σ = 573928768. Its totient is φ = 70276896.

The previous prime is 228400063. The next prime is 228400069. The reversal of 228400068 is 860004822.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (228400063) 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, 731896 + ... + 732207.

Almost surely, 2^228400068 is an apocalyptic number.

It is an amenable number.

228400068 is an abundant number, since it is smaller than the sum of its proper divisors (345528700).

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

228400068 is a wasteful number, since it uses less digits than its factorization.

228400068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464123 (or 1464121 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 228400068 is about 15112.9106395823. The cubic root of 228400068 is about 611.2685845446.

The spelling of 228400068 in words is "two hundred twenty-eight million, four hundred thousand, sixty-eight".