2122327391 has 8 divisors (see below), whose sum is σ = 2127459600. Its totient is φ = 2117203200.

The previous prime is 2122327381. The next prime is 2122327399. The reversal of 2122327391 is 1937232212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122327391 - 2⁶ = 2122327327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122327399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122575 + ... + 1124463.

It is an arithmetic number, because the mean of its divisors is an integer number (265932450).

Almost surely, 2^2122327391 is an apocalyptic number.

2122327391 is a deficient number, since it is larger than the sum of its proper divisors (5132209).

2122327391 is a wasteful number, since it uses less digits than its factorization.

2122327391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009.

The product of its digits is 9072, while the sum is 32.

The square root of 2122327391 is about 46068.7246513293. The cubic root of 2122327391 is about 1285.1015864416.

The spelling of 2122327391 in words is "two billion, one hundred twenty-two million, three hundred twenty-seven thousand, three hundred ninety-one".