2121641422 has 8 divisors (see below), whose sum is σ = 3349960200. Its totient is φ = 1004988024.

The previous prime is 2121641419. The next prime is 2121641447. The reversal of 2121641422 is 2241461212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27916297 + ... + 27916372.

It is an arithmetic number, because the mean of its divisors is an integer number (418745025).

Almost surely, 2^2121641422 is an apocalyptic number.

2121641422 is a deficient number, since it is larger than the sum of its proper divisors (1228318778).

2121641422 is a wasteful number, since it uses less digits than its factorization.

2121641422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55832690.

The product of its digits is 1536, while the sum is 25.

The square root of 2121641422 is about 46061.2789878874. The cubic root of 2121641422 is about 1284.9631166267.

The spelling of 2121641422 in words is "two billion, one hundred twenty-one million, six hundred forty-one thousand, four hundred twenty-two".