226309780668 has 24 divisors (see below), whose sum is σ = 540935574480. Its totient is φ = 73596676480.

The previous prime is 226309780667. The next prime is 226309780673. The reversal of 226309780668 is 866087903622.

It is a happy number.

226309780668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×226309780668² (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 (226309780667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229989123 + ... + 229990106.

It is an arithmetic number, because the mean of its divisors is an integer number (22538982270).

Almost surely, 2^226309780668 is an apocalyptic number.

It is an amenable number.

226309780668 is an abundant number, since it is smaller than the sum of its proper divisors (314625793812).

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

226309780668 is a wasteful number, since it uses less digits than its factorization.

226309780668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459979277 (or 459979275 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 226309780668 in words is "two hundred twenty-six billion, three hundred nine million, seven hundred eighty thousand, six hundred sixty-eight".