229228558891875 has 80 divisors (see below), whose sum is σ = 425096972050080. Its totient is φ = 122043345408000.

The previous prime is 229228558891807. The next prime is 229228558891903. The reversal of 229228558891875 is 578198855822922.

229228558891875 is a `hidden beast` number, since 2 + 2 + 9 + 2 + 28 + 5 + 588 + 9 + 1 + 8 + 7 + 5 = 666.

It is not a de Polignac number, because 229228558891875 - 2¹³ = 229228558883683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229228558891794 and 229228558891803.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2034282 + ... + 21508031.

It is an arithmetic number, because the mean of its divisors is an integer number (5313712150626).

Almost surely, 2^{229228558891875} is an apocalyptic number.

229228558891875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

229228558891875 is a deficient number, since it is larger than the sum of its proper divisors (195868413158205).

229228558891875 is an equidigital number, since it uses as much as digits as its factorization.

229228558891875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23542919 (or 23542898 counting only the distinct ones).

The product of its digits is 4644864000, while the sum is 81.

The spelling of 229228558891875 in words is "two hundred twenty-nine trillion, two hundred twenty-eight billion, five hundred fifty-eight million, eight hundred ninety-one thousand, eight hundred seventy-five".