2164466 has 4 divisors (see below), whose sum is σ = 3246702. Its totient is φ = 1082232.

The previous prime is 2164453. The next prime is 2164471. The reversal of 2164466 is 6644612.

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., 2163841 + 625 = 1471^2 + 25^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541115 + ... + 541118.

2^2164466 is an apocalyptic number.

2164466 is a deficient number, since it is larger than the sum of its proper divisors (1082236).

2164466 is a wasteful number, since it uses less digits than its factorization.

2164466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082235.

The product of its digits is 6912, while the sum is 29.

The square root of 2164466 is about 1471.2124251786. The cubic root of 2164466 is about 129.3551099360.

The spelling of 2164466 in words is "two million, one hundred sixty-four thousand, four hundred sixty-six".