2114222421 has 4 divisors (see below), whose sum is σ = 2818963232. Its totient is φ = 1409481612.

The previous prime is 2114222401. The next prime is 2114222431. The reversal of 2114222421 is 1242224112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2114222421 - 2⁵ = 2114222389 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 (2114222401) 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, 352370401 + ... + 352370406.

It is an arithmetic number, because the mean of its divisors is an integer number (704740808).

Almost surely, 2^2114222421 is an apocalyptic number.

It is an amenable number.

2114222421 is a deficient number, since it is larger than the sum of its proper divisors (704740811).

2114222421 is an equidigital number, since it uses as much as digits as its factorization.

2114222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704740810.

The product of its digits is 512, while the sum is 21.

The square root of 2114222421 is about 45980.6744295905. The cubic root of 2114222421 is about 1283.4636052760.

Adding to 2114222421 its reverse (1242224112), we get a palindrome (3356446533).

The spelling of 2114222421 in words is "two billion, one hundred fourteen million, two hundred twenty-two thousand, four hundred twenty-one".