13122220441 has 8 divisors (see below), whose sum is σ = 14324076864. Its totient is φ = 11921851920.

The previous prime is 13122220409. The next prime is 13122220453. The reversal of 13122220441 is 14402222131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13122220441 - 2⁵ = 13122220409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122220471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353490 + ... + 388843.

It is an arithmetic number, because the mean of its divisors is an integer number (1790509608).

Almost surely, 2^13122220441 is an apocalyptic number.

13122220441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13122220441 is a deficient number, since it is larger than the sum of its proper divisors (1201856423).

13122220441 is a wasteful number, since it uses less digits than its factorization.

13122220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743951.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13122220441 its reverse (14402222131), we get a palindrome (27524442572).

The spelling of 13122220441 in words is "thirteen billion, one hundred twenty-two million, two hundred twenty thousand, four hundred forty-one".