226405400244 has 12 divisors (see below), whose sum is σ = 528279267264. Its totient is φ = 75468466744.

The previous prime is 226405400239. The next prime is 226405400251. The reversal of 226405400244 is 442004504622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9433558332 + ... + 9433558355.

It is an arithmetic number, because the mean of its divisors is an integer number (44023272272).

Almost surely, 2^226405400244 is an apocalyptic number.

It is an amenable number.

226405400244 is an abundant number, since it is smaller than the sum of its proper divisors (301873867020).

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

226405400244 is a wasteful number, since it uses less digits than its factorization.

226405400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18867116694 (or 18867116692 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 226405400244 its reverse (442004504622), we get a palindrome (668409904866).

The spelling of 226405400244 in words is "two hundred twenty-six billion, four hundred five million, four hundred thousand, two hundred forty-four".