2234140221 has 12 divisors (see below), whose sum is σ = 3164388992. Its totient is φ = 1401812928.

The previous prime is 2234140219. The next prime is 2234140229. The reversal of 2234140221 is 1220414322.

It is not a de Polignac number, because 2234140221 - 2¹ = 2234140219 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 (2234140229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287565 + ... + 1289298.

Almost surely, 2^2234140221 is an apocalyptic number.

It is an amenable number.

2234140221 is a deficient number, since it is larger than the sum of its proper divisors (930248771).

2234140221 is a wasteful number, since it uses less digits than its factorization.

2234140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576900 (or 2576883 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2234140221 is about 47266.6925117466. The cubic root of 2234140221 is about 1307.2845916892.

Adding to 2234140221 its reverse (1220414322), we get a palindrome (3454554543).

The spelling of 2234140221 in words is "two billion, two hundred thirty-four million, one hundred forty thousand, two hundred twenty-one".