2034212221 has 4 divisors (see below), whose sum is σ = 2104357500. Its totient is φ = 1964066944.

The previous prime is 2034212189. The next prime is 2034212251. The reversal of 2034212221 is 1222124302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1742144121 + 292068100 = 41739^2 + 17090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2034212221 - 2⁵ = 2034212189 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 (2034212251) 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, 35072596 + ... + 35072653.

It is an arithmetic number, because the mean of its divisors is an integer number (526089375).

Almost surely, 2^2034212221 is an apocalyptic number.

It is an amenable number.

2034212221 is a deficient number, since it is larger than the sum of its proper divisors (70145279).

2034212221 is an equidigital number, since it uses as much as digits as its factorization.

2034212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70145278.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2034212221 is about 45102.2418622401. The cubic root of 2034212221 is about 1267.0645869464.

Adding to 2034212221 its reverse (1222124302), we get a palindrome (3256336523).

The spelling of 2034212221 in words is "two billion, thirty-four million, two hundred twelve thousand, two hundred twenty-one".