1238222165 has 8 divisors (see below), whose sum is σ = 1494983328. Its totient is φ = 984499920.

The previous prime is 1238222129. The next prime is 1238222171. The reversal of 1238222165 is 5612228321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1238222165 - 2⁶ = 1238222101 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 758831 + ... + 760460.

It is an arithmetic number, because the mean of its divisors is an integer number (186872916).

Almost surely, 2^1238222165 is an apocalyptic number.

It is an amenable number.

1238222165 is a deficient number, since it is larger than the sum of its proper divisors (256761163).

1238222165 is a wasteful number, since it uses less digits than its factorization.

1238222165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519459.

The product of its digits is 11520, while the sum is 32.

The square root of 1238222165 is about 35188.3811079737. The cubic root of 1238222165 is about 1073.8233861544.

The spelling of 1238222165 in words is "one billion, two hundred thirty-eight million, two hundred twenty-two thousand, one hundred sixty-five".