2189294306 has 16 divisors (see below), whose sum is σ = 3481100064. Its totient is φ = 1029075264.

The previous prime is 2189294291. The next prime is 2189294311. The reversal of 2189294306 is 6034929812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6440 + ... + 66483.

It is an arithmetic number, because the mean of its divisors is an integer number (217568754).

Almost surely, 2^2189294306 is an apocalyptic number.

2189294306 is a deficient number, since it is larger than the sum of its proper divisors (1291805758).

2189294306 is a wasteful number, since it uses less digits than its factorization.

2189294306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73825.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2189294306 is about 46789.8953407678. The cubic root of 2189294306 is about 1298.4783588749.

The spelling of 2189294306 in words is "two billion, one hundred eighty-nine million, two hundred ninety-four thousand, three hundred six".