2114421 has 4 divisors (see below), whose sum is σ = 2819232. Its totient is φ = 1409612.

The previous prime is 2114407. The next prime is 2114429. The reversal of 2114421 is 1244112.

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 a cyclic number.

It is not a de Polignac number, because 2114421 - 2¹³ = 2106229 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2114421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2114429) 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, 352401 + ... + 352406.

It is an arithmetic number, because the mean of its divisors is an integer number (704808).

2^2114421 is an apocalyptic number.

It is an amenable number.

2114421 is a deficient number, since it is larger than the sum of its proper divisors (704811).

2114421 is an equidigital number, since it uses as much as digits as its factorization.

2114421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704810.

The product of its digits is 64, while the sum is 15.

The square root of 2114421 is about 1454.1048792986. The cubic root of 2114421 is about 128.3503787258.

Adding to 2114421 its reverse (1244112), we get a palindrome (3358533).

The spelling of 2114421 in words is "two million, one hundred fourteen thousand, four hundred twenty-one".