228773700 has 72 divisors (see below), whose sum is σ = 735473760. Its totient is φ = 61005600.

The previous prime is 228773689. The next prime is 228773719. The reversal of 228773700 is 7377822.

228773700 is a `hidden beast` number, since 2 + 287 + 7 + 370 + 0 = 666.

228773700 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39666 + ... + 45065.

Almost surely, 2^228773700 is an apocalyptic number.

228773700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228773700 is an abundant number, since it is smaller than the sum of its proper divisors (506700060).

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

228773700 is a wasteful number, since it uses less digits than its factorization.

228773700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84754 (or 84741 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 228773700 is about 15125.2669397932. The cubic root of 228773700 is about 611.6017208707.

The spelling of 228773700 in words is "two hundred twenty-eight million, seven hundred seventy-three thousand, seven hundred".