228140704 has 48 divisors (see below), whose sum is σ = 493045056. Its totient is φ = 103052800.

The previous prime is 228140701. The next prime is 228140729. The reversal of 228140704 is 407041822.

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 7 ways as a sum of consecutive naturals, for example, 56844 + ... + 60724.

It is an arithmetic number, because the mean of its divisors is an integer number (10271772).

Almost surely, 2^228140704 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 228140704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246522528).

228140704 is an abundant number, since it is smaller than the sum of its proper divisors (264904352).

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

228140704 is a wasteful number, since it uses less digits than its factorization.

228140704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069 (or 4061 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 228140704 is about 15104.3273269616. The cubic root of 228140704 is about 611.0371177214.

The spelling of 228140704 in words is "two hundred twenty-eight million, one hundred forty thousand, seven hundred four".