3234011221 has 6 divisors (see below), whose sum is σ = 3762013110. Its totient is φ = 2772009576.

The previous prime is 3234011219. The next prime is 3234011237. The reversal of 3234011221 is 1221104323.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1817316900 + 1416694321 = 42630^2 + 37639^2 .

It is not a de Polignac number, because 3234011221 - 2¹ = 3234011219 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 (3234011251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33000066 + ... + 33000163.

It is an arithmetic number, because the mean of its divisors is an integer number (627002185).

Almost surely, 2^3234011221 is an apocalyptic number.

It is an amenable number.

3234011221 is a deficient number, since it is larger than the sum of its proper divisors (528001889).

3234011221 is an equidigital number, since it uses as much as digits as its factorization.

3234011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66000243 (or 66000236 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3234011221 is about 56868.3674901962. The cubic root of 3234011221 is about 1478.8149786463.

Adding to 3234011221 its reverse (1221104323), we get a palindrome (4455115544).

The spelling of 3234011221 in words is "three billion, two hundred thirty-four million, eleven thousand, two hundred twenty-one".