226666446644 has 48 divisors (see below), whose sum is σ = 443166982272. Its totient is φ = 100573200000.

The previous prime is 226666446599. The next prime is 226666446661. The reversal of 226666446644 is 446644666622.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 226666446644.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43667 + ... + 674714.

It is an arithmetic number, because the mean of its divisors is an integer number (9232645464).

It is a self-describing number.

Almost surely, 2^226666446644 is an apocalyptic number.

It is an amenable number.

226666446644 is a deficient number, since it is larger than the sum of its proper divisors (216500535628).

226666446644 is a wasteful number, since it uses less digits than its factorization.

226666446644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718568 (or 718566 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 56.

It can be divided in two parts, 22 and 6666446644, that added together give a palindrome (6666446666).

The spelling of 226666446644 in words is "two hundred twenty-six billion, six hundred sixty-six million, four hundred forty-six thousand, six hundred forty-four".