2002334421 has 4 divisors (see below), whose sum is σ = 2669779232. Its totient is φ = 1334889612.

The previous prime is 2002334419. The next prime is 2002334441. The reversal of 2002334421 is 1244332002.

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 2002334421 - 2¹ = 2002334419 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 (2002334441) 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, 333722401 + ... + 333722406.

It is an arithmetic number, because the mean of its divisors is an integer number (667444808).

Almost surely, 2^2002334421 is an apocalyptic number.

It is an amenable number.

2002334421 is a deficient number, since it is larger than the sum of its proper divisors (667444811).

2002334421 is an equidigital number, since it uses as much as digits as its factorization.

2002334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667444810.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2002334421 is about 44747.4515587201. The cubic root of 2002334421 is about 1260.4110569900.

Adding to 2002334421 its reverse (1244332002), we get a palindrome (3246666423).

The spelling of 2002334421 in words is "two billion, two million, three hundred thirty-four thousand, four hundred twenty-one".