1322241009 has 4 divisors (see below), whose sum is σ = 1762988016. Its totient is φ = 881494004.

The previous prime is 1322241001. The next prime is 1322241017. The reversal of 1322241009 is 9001422231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9001422231 = 3 ⋅3000474077.

It is an interprime number because it is at equal distance from previous prime (1322241001) and next prime (1322241017).

It is a cyclic number.

It is not a de Polignac number, because 1322241009 - 2³ = 1322241001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322241009.

It is not an unprimeable number, because it can be changed into a prime (1322241001) 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, 220373499 + ... + 220373504.

It is an arithmetic number, because the mean of its divisors is an integer number (440747004).

Almost surely, 2^1322241009 is an apocalyptic number.

It is an amenable number.

1322241009 is a deficient number, since it is larger than the sum of its proper divisors (440747007).

1322241009 is an equidigital number, since it uses as much as digits as its factorization.

1322241009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440747006.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1322241009 is about 36362.6320416991. The cubic root of 1322241009 is about 1097.5817423805.

The spelling of 1322241009 in words is "one billion, three hundred twenty-two million, two hundred forty-one thousand, nine".