1226814668 has 6 divisors (see below), whose sum is σ = 2146925676. Its totient is φ = 613407332.

The previous prime is 1226814647. The next prime is 1226814679. The reversal of 1226814668 is 8664186221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153351830 + ... + 153351837.

It is an arithmetic number, because the mean of its divisors is an integer number (357820946).

Almost surely, 2^1226814668 is an apocalyptic number.

It is an amenable number.

1226814668 is a deficient number, since it is larger than the sum of its proper divisors (920111008).

1226814668 is a wasteful number, since it uses less digits than its factorization.

1226814668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306703671 (or 306703669 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 1226814668 is about 35025.9142350346. The cubic root of 1226814668 is about 1070.5155660227.

The spelling of 1226814668 in words is "one billion, two hundred twenty-six million, eight hundred fourteen thousand, six hundred sixty-eight".