228609102 has 16 divisors (see below), whose sum is σ = 481282560. Its totient is φ = 72192312.

The previous prime is 228609037. The next prime is 228609103. The reversal of 228609102 is 201906822.

It is a self number, because there is not a number n which added to its sum of digits gives 228609102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228609103) 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, 1002558 + ... + 1002785.

It is an arithmetic number, because the mean of its divisors is an integer number (30080160).

Almost surely, 2^228609102 is an apocalyptic number.

228609102 is an abundant number, since it is smaller than the sum of its proper divisors (252673458).

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

228609102 is a wasteful number, since it uses less digits than its factorization.

228609102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005367.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 228609102 is about 15119.8248005723. The cubic root of 228609102 is about 611.4550073678.

The spelling of 228609102 in words is "two hundred twenty-eight million, six hundred nine thousand, one hundred two".