226912939778 has 18 divisors (see below), whose sum is σ = 395948154051. Its totient is φ = 97246381764.

The previous prime is 226912939751. The next prime is 226912939787. The reversal of 226912939778 is 877939219622.

It can be written as a sum of positive squares in only one way, i.e., 113456469889 + 113456469889 = 336833^2 + 336833^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336833.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4691603 + ... + 4739721.

Almost surely, 2^226912939778 is an apocalyptic number.

226912939778 is a deficient number, since it is larger than the sum of its proper divisors (169035214273).

226912939778 is an frugal number, since it uses more digits than its factorization.

226912939778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96254 (or 48128 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 65.

The spelling of 226912939778 in words is "two hundred twenty-six billion, nine hundred twelve million, nine hundred thirty-nine thousand, seven hundred seventy-eight".