228620850000 has 120 divisors (see below), whose sum is σ = 738208064160. Its totient is φ = 60965520000.

The previous prime is 228620849959. The next prime is 228620850001. The reversal of 228620850000 is 58026822.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228620850001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612070 + ... + 912069.

It is an arithmetic number, because the mean of its divisors is an integer number (6151733868).

Almost surely, 2^228620850000 is an apocalyptic number.

228620850000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228620850000 is an abundant number, since it is smaller than the sum of its proper divisors (509587214160).

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

228620850000 is an equidigital number, since it uses as much as digits as its factorization.

228620850000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524175 (or 1524149 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 228620850000 its reverse (58026822), we get a palindrome (228678876822).

The spelling of 228620850000 in words is "two hundred twenty-eight billion, six hundred twenty million, eight hundred fifty thousand".