228606172746 has 256 divisors, whose sum is σ = 567137894400. Its totient is φ = 60054688512.

The previous prime is 228606172681. The next prime is 228606172757. The reversal of 228606172746 is 647271606822.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 516040801 + ... + 516041243.

It is an arithmetic number, because the mean of its divisors is an integer number (2215382400).

Almost surely, 2^228606172746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228606172746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283568947200).

228606172746 is an abundant number, since it is smaller than the sum of its proper divisors (338531721654).

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

228606172746 is a wasteful number, since it uses less digits than its factorization.

228606172746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 228606172746 in words is "two hundred twenty-eight billion, six hundred six million, one hundred seventy-two thousand, seven hundred forty-six".