226867768644 has 96 divisors (see below), whose sum is σ = 634304885760. Its totient is φ = 62297769600.

The previous prime is 226867768643. The next prime is 226867768649. The reversal of 226867768644 is 446867768622.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (226867768643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1908787 + ... + 2024154.

It is an arithmetic number, because the mean of its divisors is an integer number (6607342560).

Almost surely, 2^226867768644 is an apocalyptic number.

It is an amenable number.

226867768644 is an abundant number, since it is smaller than the sum of its proper divisors (407437117116).

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

226867768644 is a wasteful number, since it uses less digits than its factorization.

226867768644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933001 (or 3932999 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 66.

The spelling of 226867768644 in words is "two hundred twenty-six billion, eight hundred sixty-seven million, seven hundred sixty-eight thousand, six hundred forty-four".