228427143620 has 96 divisors (see below), whose sum is σ = 539323384320. Its totient is φ = 80635484160.

The previous prime is 228427143613. The next prime is 228427143667. The reversal of 228427143620 is 26341724822.

228427143620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13811516 + ... + 13828044.

It is an arithmetic number, because the mean of its divisors is an integer number (5617951920).

Almost surely, 2^228427143620 is an apocalyptic number.

228427143620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228427143620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269661692160).

228427143620 is an abundant number, since it is smaller than the sum of its proper divisors (310896240700).

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

228427143620 is a wasteful number, since it uses less digits than its factorization.

228427143620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18885 (or 18883 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 228427143620 in words is "two hundred twenty-eight billion, four hundred twenty-seven million, one hundred forty-three thousand, six hundred twenty".