228531702 has 32 divisors (see below), whose sum is σ = 528659712. Its totient is φ = 64507104.

The previous prime is 228531701. The next prime is 228531757. The reversal of 228531702 is 207135822.

It is a self number, because there is not a number n which added to its sum of digits gives 228531702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228531701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29293 + ... + 36264.

It is an arithmetic number, because the mean of its divisors is an integer number (16520616).

Almost surely, 2^228531702 is an apocalyptic number.

228531702 is an abundant number, since it is smaller than the sum of its proper divisors (300128010).

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

228531702 is a wasteful number, since it uses less digits than its factorization.

228531702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65652.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 228531702 is about 15117.2650304213. The cubic root of 228531702 is about 611.3859929683.

The spelling of 228531702 in words is "two hundred twenty-eight million, five hundred thirty-one thousand, seven hundred two".