1226668 has 12 divisors (see below), whose sum is σ = 2154600. Its totient is φ = 611072.

The previous prime is 1226663. The next prime is 1226677. The reversal of 1226668 is 8666221.

It is an Ulam number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1226663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455 + ... + 2137.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

2^1226668 is an apocalyptic number.

It is an amenable number.

1226668 is a deficient number, since it is larger than the sum of its proper divisors (927932).

1226668 is a wasteful number, since it uses less digits than its factorization.

1226668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1134 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1226668 is about 1107.5504503182. The cubic root of 1226668 is about 107.0472903606.

The spelling of 1226668 in words is "one million, two hundred twenty-six thousand, six hundred sixty-eight".