228620617600 has 48 divisors (see below), whose sum is σ = 564764377320. Its totient is φ = 91448245760.

The previous prime is 228620617583. The next prime is 228620617601. The reversal of 228620617600 is 6716026822.

228620617600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228620617601) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 35718772 + ... + 35725171.

Almost surely, 2^228620617600 is an apocalyptic number.

228620617600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228620617600 is an abundant number, since it is smaller than the sum of its proper divisors (336143759720).

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

228620617600 is an equidigital number, since it uses as much as digits as its factorization.

228620617600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71443967 (or 71443950 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 228620617600 in words is "two hundred twenty-eight billion, six hundred twenty million, six hundred seventeen thousand, six hundred".