13222405451 has 4 divisors (see below), whose sum is σ = 13306624752. Its totient is φ = 13138186152.

The previous prime is 13222405423. The next prime is 13222405477. The reversal of 13222405451 is 15450422231.

13222405451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13222405451 - 2¹⁸ = 13222143307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222405411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42109415 + ... + 42109728.

It is an arithmetic number, because the mean of its divisors is an integer number (3326656188).

Almost surely, 2^13222405451 is an apocalyptic number.

13222405451 is a deficient number, since it is larger than the sum of its proper divisors (84219301).

13222405451 is an equidigital number, since it uses as much as digits as its factorization.

13222405451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84219300.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 13222405451 its reverse (15450422231), we get a palindrome (28672827682).

The spelling of 13222405451 in words is "thirteen billion, two hundred twenty-two million, four hundred five thousand, four hundred fifty-one".