228755030220 has 36 divisors (see below), whose sum is σ = 693890258880. Its totient is φ = 61001341344.

The previous prime is 228755030219. The next prime is 228755030299. The reversal of 228755030220 is 22030557822.

It is a happy number.

228755030220 is a `hidden beast` number, since 2 + 2 + 87 + 550 + 3 + 0 + 2 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×228755030220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635430460 + ... + 635430819.

Almost surely, 2^228755030220 is an apocalyptic number.

228755030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228755030220 is an abundant number, since it is smaller than the sum of its proper divisors (465135228660).

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

228755030220 is a wasteful number, since it uses less digits than its factorization.

228755030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270861294 (or 1270861289 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 228755030220 in words is "two hundred twenty-eight billion, seven hundred fifty-five million, thirty thousand, two hundred twenty".