228672612 has 96 divisors (see below), whose sum is σ = 691488000. Its totient is φ = 65324448.

The previous prime is 228672607. The next prime is 228672629. The reversal of 228672612 is 216276822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33958 + ... + 40130.

It is an arithmetic number, because the mean of its divisors is an integer number (7203000).

Almost surely, 2^228672612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228672612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345744000).

228672612 is an abundant number, since it is smaller than the sum of its proper divisors (462815388).

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

228672612 is a wasteful number, since it uses less digits than its factorization.

228672612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207 (or 6185 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 228672612 is about 15121.9248774751. The cubic root of 228672612 is about 611.5116249910.

The spelling of 228672612 in words is "two hundred twenty-eight million, six hundred seventy-two thousand, six hundred twelve".