228416723226 has 40 divisors (see below), whose sum is σ = 511900149024. Its totient is φ = 76127380200.

The previous prime is 228416723221. The next prime is 228416723251. The reversal of 228416723226 is 622327614822.

228416723226 is a `hidden beast` number, since 2 + 2 + 8 + 416 + 7 + 2 + 3 + 226 = 666.

228416723226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228416723221) 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 19 ways as a sum of consecutive naturals, for example, 1002001 + ... + 1208651.

Almost surely, 2^228416723226 is an apocalyptic number.

228416723226 is an abundant number, since it is smaller than the sum of its proper divisors (283483425798).

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

228416723226 is a wasteful number, since it uses less digits than its factorization.

228416723226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213488 (or 213479 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 228416723226 in words is "two hundred twenty-eight billion, four hundred sixteen million, seven hundred twenty-three thousand, two hundred twenty-six".