226774645212 has 12 divisors (see below), whose sum is σ = 529140838856. Its totient is φ = 75591548400.

The previous prime is 226774645211. The next prime is 226774645219. The reversal of 226774645212 is 212546477622.

226774645212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×226774645212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226774645211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9448943539 + ... + 9448943562.

Almost surely, 2^226774645212 is an apocalyptic number.

It is an amenable number.

226774645212 is an abundant number, since it is smaller than the sum of its proper divisors (302366193644).

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

226774645212 is a wasteful number, since it uses less digits than its factorization.

226774645212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18897887108 (or 18897887106 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 48.

The spelling of 226774645212 in words is "two hundred twenty-six billion, seven hundred seventy-four million, six hundred forty-five thousand, two hundred twelve".