228140700 has 72 divisors (see below), whose sum is σ = 664957440. Its totient is φ = 60388800.

The previous prime is 228140683. The next prime is 228140701. The reversal of 228140700 is 7041822.

228140700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228140701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38965 + ... + 44435.

It is an arithmetic number, because the mean of its divisors is an integer number (9235520).

Almost surely, 2^228140700 is an apocalyptic number.

228140700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228140700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332478720).

228140700 is an abundant number, since it is smaller than the sum of its proper divisors (436816740).

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

228140700 is a wasteful number, since it uses less digits than its factorization.

228140700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627 (or 5620 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 228140700 is about 15104.3271945492. The cubic root of 228140700 is about 611.0371141503.

The spelling of 228140700 in words is "two hundred twenty-eight million, one hundred forty thousand, seven hundred".