4550666 has 4 divisors (see below), whose sum is σ = 6826002. Its totient is φ = 2275332.

The previous prime is 4550657. The next prime is 4550677. The reversal of 4550666 is 6660554.

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., 2805625 + 1745041 = 1675^2 + 1321^2 .

It is a super-2 number, since 2×4550666² = 41417122087112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137665 + ... + 1137668.

Almost surely, 2^4550666 is an apocalyptic number.

4550666 is a deficient number, since it is larger than the sum of its proper divisors (2275336).

4550666 is a wasteful number, since it uses less digits than its factorization.

4550666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275335.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 4550666 is about 2133.2290078658. The cubic root of 4550666 is about 165.7136642154.

The spelling of 4550666 in words is "four million, five hundred fifty thousand, six hundred sixty-six".