226543219828 has 6 divisors (see below), whose sum is σ = 396450634706. Its totient is φ = 113271609912.

The previous prime is 226543219817. The next prime is 226543219841. The reversal of 226543219828 is 828912345622.

It can be written as a sum of positive squares in only one way, i.e., 176300893924 + 50242325904 = 419882^2 + 224148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28317902475 + ... + 28317902482.

Almost surely, 2^226543219828 is an apocalyptic number.

It is an amenable number.

226543219828 is a deficient number, since it is larger than the sum of its proper divisors (169907414878).

226543219828 is a wasteful number, since it uses less digits than its factorization.

226543219828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56635804961 (or 56635804959 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 226543219828 in words is "two hundred twenty-six billion, five hundred forty-three million, two hundred nineteen thousand, eight hundred twenty-eight".