228140302 has 16 divisors (see below), whose sum is σ = 375490080. Its totient is φ = 103308192.

The previous prime is 228140291. The next prime is 228140309. The reversal of 228140302 is 203041822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228140309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81402 + ... + 84157.

It is an arithmetic number, because the mean of its divisors is an integer number (23468130).

Almost surely, 2^228140302 is an apocalyptic number.

228140302 is a deficient number, since it is larger than the sum of its proper divisors (147349778).

228140302 is a wasteful number, since it uses less digits than its factorization.

228140302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165627.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 228140302 is about 15104.3140195111. The cubic root of 228140302 is about 611.0367588243.

The spelling of 228140302 in words is "two hundred twenty-eight million, one hundred forty thousand, three hundred two".