2206638466 has 8 divisors (see below), whose sum is σ = 3416730624. Its totient is φ = 1067728260.

The previous prime is 2206638463. The next prime is 2206638479. The reversal of 2206638466 is 6648366022.

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

It is a super-3 number, since 3×2206638466³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2206638463) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 17795410 + ... + 17795533.

It is an arithmetic number, because the mean of its divisors is an integer number (427091328).

Almost surely, 2^2206638466 is an apocalyptic number.

2206638466 is a deficient number, since it is larger than the sum of its proper divisors (1210092158).

2206638466 is a wasteful number, since it uses less digits than its factorization.

2206638466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35590976.

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 2206638466 is about 46974.8705799175. The cubic root of 2206638466 is about 1301.8983047872.

The spelling of 2206638466 in words is "two billion, two hundred six million, six hundred thirty-eight thousand, four hundred sixty-six".