2194582066 has 16 divisors (see below), whose sum is σ = 3332721600. Its totient is φ = 1083732048.

The previous prime is 2194582021. The next prime is 2194582067. The reversal of 2194582066 is 6602854912.

It is not an unprimeable number, because it can be changed into a prime (2194582067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64020 + ... + 92128.

It is an arithmetic number, because the mean of its divisors is an integer number (208295100).

Almost surely, 2^2194582066 is an apocalyptic number.

2194582066 is a deficient number, since it is larger than the sum of its proper divisors (1138139534).

2194582066 is a wasteful number, since it uses less digits than its factorization.

2194582066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28593.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2194582066 is about 46846.3666253852. The cubic root of 2194582066 is about 1299.5229148775.

The spelling of 2194582066 in words is "two billion, one hundred ninety-four million, five hundred eighty-two thousand, sixty-six".