2238189405 has 16 divisors (see below), whose sum is σ = 3704590080. Its totient is φ = 1152538688.

The previous prime is 2238189377. The next prime is 2238189407. The reversal of 2238189405 is 5049818322.

It is a cyclic number.

It is not a de Polignac number, because 2238189405 - 2¹² = 2238185309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238189407) 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, 2572197 + ... + 2573066.

It is an arithmetic number, because the mean of its divisors is an integer number (231536880).

Almost surely, 2^2238189405 is an apocalyptic number.

It is an amenable number.

2238189405 is a deficient number, since it is larger than the sum of its proper divisors (1466400675).

2238189405 is a wasteful number, since it uses less digits than its factorization.

2238189405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145300.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2238189405 is about 47309.5064971090. The cubic root of 2238189405 is about 1308.0738947442.

The spelling of 2238189405 in words is "two billion, two hundred thirty-eight million, one hundred eighty-nine thousand, four hundred five".