228140742 has 32 divisors (see below), whose sum is σ = 469918944. Its totient is φ = 73785600.

The previous prime is 228140741. The next prime is 228140747. The reversal of 228140742 is 247041822.

228140742 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 (228140741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92242 + ... + 94682.

It is an arithmetic number, because the mean of its divisors is an integer number (14684967).

Almost surely, 2^228140742 is an apocalyptic number.

228140742 is an abundant number, since it is smaller than the sum of its proper divisors (241778202).

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

228140742 is a wasteful number, since it uses less digits than its factorization.

228140742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 228140742 is about 15104.3285848792. The cubic root of 228140742 is about 611.0371516469.

The spelling of 228140742 in words is "two hundred twenty-eight million, one hundred forty thousand, seven hundred forty-two".