228130356 has 24 divisors (see below), whose sum is σ = 550660320. Its totient is φ = 73421152.

The previous prime is 228130337. The next prime is 228130367. The reversal of 228130356 is 653031822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327426 + ... + 328121.

It is an arithmetic number, because the mean of its divisors is an integer number (22944180).

Almost surely, 2^228130356 is an apocalyptic number.

It is an amenable number.

228130356 is an abundant number, since it is smaller than the sum of its proper divisors (322529964).

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

228130356 is a wasteful number, since it uses less digits than its factorization.

228130356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655583 (or 655581 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 228130356 is about 15103.9847722381. The cubic root of 228130356 is about 611.0278791132.

The spelling of 228130356 in words is "two hundred twenty-eight million, one hundred thirty thousand, three hundred fifty-six".