226664656 has 10 divisors (see below), whose sum is σ = 439162802. Its totient is φ = 113332320.

The previous prime is 226664639. The next prime is 226664663. The reversal of 226664656 is 656466622.

It can be written as a sum of positive squares in only one way, i.e., 193210000 + 33454656 = 13900^2 + 5784^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7083255 + ... + 7083286.

Almost surely, 2^226664656 is an apocalyptic number.

It is an amenable number.

226664656 is a deficient number, since it is larger than the sum of its proper divisors (212498146).

226664656 is a wasteful number, since it uses less digits than its factorization.

226664656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14166549 (or 14166543 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The square root of 226664656 is about 15055.3862786712. The cubic root of 226664656 is about 609.7164820594.

The spelling of 226664656 in words is "two hundred twenty-six million, six hundred sixty-four thousand, six hundred fifty-six".