2239427189 has 16 divisors (see below), whose sum is σ = 2309911296. Its totient is φ = 2170022400.

The previous prime is 2239427161. The next prime is 2239427207. The reversal of 2239427189 is 9817249322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2239427189 - 2¹² = 2239423093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239427159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2389529 + ... + 2390465.

It is an arithmetic number, because the mean of its divisors is an integer number (144369456).

Almost surely, 2^2239427189 is an apocalyptic number.

It is an amenable number.

2239427189 is a deficient number, since it is larger than the sum of its proper divisors (70484107).

2239427189 is a wasteful number, since it uses less digits than its factorization.

2239427189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436.

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

The square root of 2239427189 is about 47322.5864572088. The cubic root of 2239427189 is about 1308.3149846409.

The spelling of 2239427189 in words is "two billion, two hundred thirty-nine million, four hundred twenty-seven thousand, one hundred eighty-nine".