228366337500 has 540 divisors, whose sum is σ = 868212071496. Its totient is φ = 52186680000.

The previous prime is 228366337481. The next prime is 228366337571. The reversal of 228366337500 is 5733663822.

228366337500 is a `hidden beast` number, since 2 + 2 + 8 + 3 + 6 + 633 + 7 + 5 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (540).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 49610199 + ... + 49614801.

Almost surely, 2^228366337500 is an apocalyptic number.

228366337500 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 228366337500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434106035748).

228366337500 is an abundant number, since it is smaller than the sum of its proper divisors (639845733996).

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

228366337500 is an equidigital number, since it uses as much as digits as its factorization.

228366337500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 228366337500 in words is "two hundred twenty-eight billion, three hundred sixty-six million, three hundred thirty-seven thousand, five hundred".