2238138669 has 16 divisors (see below), whose sum is σ = 3214971200. Its totient is φ = 1376787456.

The previous prime is 2238138659. The next prime is 2238138673. The reversal of 2238138669 is 9668318322.

It is not a de Polignac number, because 2238138669 - 2¹² = 2238134573 is a prime.

It is a super-2 number, since 2×2238138669² = 10018529403346183122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238138619) 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, 108237 + ... + 127245.

It is an arithmetic number, because the mean of its divisors is an integer number (200935700).

Almost surely, 2^2238138669 is an apocalyptic number.

It is an amenable number.

2238138669 is a deficient number, since it is larger than the sum of its proper divisors (976832531).

2238138669 is a wasteful number, since it uses less digits than its factorization.

2238138669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22044.

The product of its digits is 746496, while the sum is 48.

The square root of 2238138669 is about 47308.9702804870. The cubic root of 2238138669 is about 1308.0640107224.

The spelling of 2238138669 in words is "two billion, two hundred thirty-eight million, one hundred thirty-eight thousand, six hundred sixty-nine".