226678557588 has 144 divisors (see below), whose sum is σ = 617959964160. Its totient is φ = 64482968256.

The previous prime is 226678557577. The next prime is 226678557593. The reversal of 226678557588 is 885755876622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194907895 + ... + 194909057.

It is an arithmetic number, because the mean of its divisors is an integer number (4291388640).

Almost surely, 2^226678557588 is an apocalyptic number.

226678557588 is a gapful number since it is divisible by the number (28) 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 226678557588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308979982080).

226678557588 is an abundant number, since it is smaller than the sum of its proper divisors (391281406572).

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

226678557588 is a wasteful number, since it uses less digits than its factorization.

226678557588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346 (or 2337 counting only the distinct ones).

The product of its digits is 451584000, while the sum is 69.

The spelling of 226678557588 in words is "two hundred twenty-six billion, six hundred seventy-eight million, five hundred fifty-seven thousand, five hundred eighty-eight".