228747700 has 18 divisors (see below), whose sum is σ = 496382726. Its totient is φ = 91499040.

The previous prime is 228747689. The next prime is 228747709. The reversal of 228747700 is 7747822.

228747700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 72897444 + 155850256 = 8538^2 + 12484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228747700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228747709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1143639 + ... + 1143838.

Almost surely, 2^228747700 is an apocalyptic number.

228747700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228747700 is an abundant number, since it is smaller than the sum of its proper divisors (267635026).

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

228747700 is a wasteful number, since it uses less digits than its factorization.

228747700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287491 (or 2287484 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 228747700 is about 15124.4074264085. The cubic root of 228747700 is about 611.5785505978.

The spelling of 228747700 in words is "two hundred twenty-eight million, seven hundred forty-seven thousand, seven hundred".