226689027894 has 128 divisors (see below), whose sum is σ = 596383349760. Its totient is φ = 63261686880.

The previous prime is 226689027889. The next prime is 226689027907. The reversal of 226689027894 is 498720986622.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1230484 + ... + 1402664.

It is an arithmetic number, because the mean of its divisors is an integer number (4659244920).

Almost surely, 2^226689027894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226689027894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298191674880).

226689027894 is an abundant number, since it is smaller than the sum of its proper divisors (369694321866).

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

226689027894 is an equidigital number, since it uses as much as digits as its factorization.

226689027894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172254 (or 172236 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 226689027894 in words is "two hundred twenty-six billion, six hundred eighty-nine million, twenty-seven thousand, eight hundred ninety-four".