2122040343 has 4 divisors (see below), whose sum is σ = 2829387128. Its totient is φ = 1414693560.

The previous prime is 2122040339. The next prime is 2122040357. The reversal of 2122040343 is 3430402212.

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

It is not a de Polignac number, because 2122040343 - 2² = 2122040339 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 (2122040363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353673388 + ... + 353673393.

It is an arithmetic number, because the mean of its divisors is an integer number (707346782).

Almost surely, 2^2122040343 is an apocalyptic number.

2122040343 is a deficient number, since it is larger than the sum of its proper divisors (707346785).

2122040343 is an equidigital number, since it uses as much as digits as its factorization.

2122040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707346784.

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

The square root of 2122040343 is about 46065.6091135242. The cubic root of 2122040343 is about 1285.0436465162.

Adding to 2122040343 its reverse (3430402212), we get a palindrome (5552442555).

The spelling of 2122040343 in words is "two billion, one hundred twenty-two million, forty thousand, three hundred forty-three".