4226666 has 4 divisors (see below), whose sum is σ = 6340002. Its totient is φ = 2113332.

The previous prime is 4226657. The next prime is 4226671. The reversal of 4226666 is 6666224.

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., 3900625 + 326041 = 1975^2 + 571^2 .

4226666 is a modest number, since divided by 6666 gives 422 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056665 + ... + 1056668.

Almost surely, 2^4226666 is an apocalyptic number.

4226666 is a deficient number, since it is larger than the sum of its proper divisors (2113336).

4226666 is a wasteful number, since it uses less digits than its factorization.

4226666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113335.

The product of its digits is 20736, while the sum is 32.

The square root of 4226666 is about 2055.8856972118. The cubic root of 4226666 is about 161.6836023401.

The spelling of 4226666 in words is "four million, two hundred twenty-six thousand, six hundred sixty-six".