2422881509 has 4 divisors (see below), whose sum is σ = 2462600940. Its totient is φ = 2383162080.

The previous prime is 2422881499. The next prime is 2422881521. The reversal of 2422881509 is 9051882242.

It is a happy number.

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 970509409 + 1452372100 = 31153^2 + 38110^2 .

It is a cyclic number.

It is not a de Polignac number, because 2422881509 - 2⁴ = 2422881493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422886509) 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, 19859624 + ... + 19859745.

It is an arithmetic number, because the mean of its divisors is an integer number (615650235).

Almost surely, 2^2422881509 is an apocalyptic number.

It is an amenable number.

2422881509 is a deficient number, since it is larger than the sum of its proper divisors (39719431).

2422881509 is an equidigital number, since it uses as much as digits as its factorization.

2422881509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39719430.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 2422881509 is about 49222.7742919881. The cubic root of 2422881509 is about 1343.1073482276.

The spelling of 2422881509 in words is "two billion, four hundred twenty-two million, eight hundred eighty-one thousand, five hundred nine".