2114221823 has 4 divisors (see below), whose sum is σ = 2416253520. Its totient is φ = 1812190128.

The previous prime is 2114221763. The next prime is 2114221843. The reversal of 2114221823 is 3281224112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2114221823 - 2¹⁰ = 2114220799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2114221792 and 2114221801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2114221843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151015838 + ... + 151015851.

It is an arithmetic number, because the mean of its divisors is an integer number (604063380).

Almost surely, 2^2114221823 is an apocalyptic number.

2114221823 is a deficient number, since it is larger than the sum of its proper divisors (302031697).

2114221823 is an equidigital number, since it uses as much as digits as its factorization.

2114221823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302031696.

The product of its digits is 1536, while the sum is 26.

The square root of 2114221823 is about 45980.6679268581. The cubic root of 2114221823 is about 1283.4634842683.

Adding to 2114221823 its reverse (3281224112), we get a palindrome (5395445935).

The spelling of 2114221823 in words is "two billion, one hundred fourteen million, two hundred twenty-one thousand, eight hundred twenty-three".