226352795778 has 18 divisors (see below), whose sum is σ = 490435430979. Its totient is φ = 75450259092.

The previous prime is 226352795771. The next prime is 226352795783. The reversal of 226352795778 is 877597253622.

226352795778 is a `hidden beast` number, since 2 + 2 + 6 + 3 + 52 + 7 + 9 + 577 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113176397889 + 113176397889 = 336417^2 + 336417^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336417.

It is not an unprimeable number, because it can be changed into a prime (226352795771) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 1962433 + ... + 2074571.

Almost surely, 2^226352795778 is an apocalyptic number.

226352795778 is an abundant number, since it is smaller than the sum of its proper divisors (264082635201).

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

226352795778 is an frugal number, since it uses more digits than its factorization.

226352795778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224286 (or 112144 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 63.

The spelling of 226352795778 in words is "two hundred twenty-six billion, three hundred fifty-two million, seven hundred ninety-five thousand, seven hundred seventy-eight".