2122440413 has 4 divisors (see below), whose sum is σ = 2144321340. Its totient is φ = 2100559488.

The previous prime is 2122440403. The next prime is 2122440431. The reversal of 2122440413 is 3140442212.

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 543729124 + 1578711289 = 23318^2 + 39733^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122440413 - 2¹² = 2122436317 is a prime.

It is a super-2 number, since 2×2122440413² = 9009506613471221138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122440403) 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, 10940318 + ... + 10940511.

It is an arithmetic number, because the mean of its divisors is an integer number (536080335).

Almost surely, 2^2122440413 is an apocalyptic number.

It is an amenable number.

2122440413 is a deficient number, since it is larger than the sum of its proper divisors (21880927).

2122440413 is an equidigital number, since it uses as much as digits as its factorization.

2122440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21880926.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2122440413 is about 46069.9513023402. The cubic root of 2122440413 is about 1285.1243982179.

Adding to 2122440413 its reverse (3140442212), we get a palindrome (5262882625).

The spelling of 2122440413 in words is "two billion, one hundred twenty-two million, four hundred forty thousand, four hundred thirteen".