226632013666 has 4 divisors (see below), whose sum is σ = 339948020502. Its totient is φ = 113316006832.

The previous prime is 226632013613. The next prime is 226632013697. The reversal of 226632013666 is 666310236622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 208502737641 + 18129276025 = 456621^2 + 134645^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56658003415 + ... + 56658003418.

Almost surely, 2^226632013666 is an apocalyptic number.

226632013666 is a deficient number, since it is larger than the sum of its proper divisors (113316006836).

226632013666 is a wasteful number, since it uses less digits than its factorization.

226632013666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113316006835.

The product of its (nonzero) digits is 559872, while the sum is 43.

It can be divided in two parts, 22663 and 2013666, that added together give a square (2036329 = 1427²).

The spelling of 226632013666 in words is "two hundred twenty-six billion, six hundred thirty-two million, thirteen thousand, six hundred sixty-six".