2189392274 has 16 divisors (see below), whose sum is σ = 3298033368. Its totient is φ = 1090058112.

The previous prime is 2189392201. The next prime is 2189392313. The reversal of 2189392274 is 4722939812.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2121247249 + 68145025 = 46057^2 + 8255^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535502 + ... + 539574.

Almost surely, 2^2189392274 is an apocalyptic number.

2189392274 is a deficient number, since it is larger than the sum of its proper divisors (1108641094).

2189392274 is a wasteful number, since it uses less digits than its factorization.

2189392274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149.

The product of its digits is 435456, while the sum is 47.

The square root of 2189392274 is about 46790.9422217591. The cubic root of 2189392274 is about 1298.4977269775.

The spelling of 2189392274 in words is "two billion, one hundred eighty-nine million, three hundred ninety-two thousand, two hundred seventy-four".