4522666 has 8 divisors (see below), whose sum is σ = 7018020. Its totient is φ = 2183328.

The previous prime is 4522657. The next prime is 4522681. The reversal of 4522666 is 6662254.

It can be written as a sum of positive squares in 2 ways, for example, as 4498641 + 24025 = 2121^2 + 155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38931 + ... + 39046.

Almost surely, 2^4522666 is an apocalyptic number.

4522666 is a deficient number, since it is larger than the sum of its proper divisors (2495354).

4522666 is a wasteful number, since it uses less digits than its factorization.

4522666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78008.

The product of its digits is 17280, while the sum is 31.

The square root of 4522666 is about 2126.6560605796. The cubic root of 4522666 is about 165.3730890277.

The spelling of 4522666 in words is "four million, five hundred twenty-two thousand, six hundred sixty-six".