13404222442 has 8 divisors (see below), whose sum is σ = 21652974756. Its totient is φ = 6186564192.

The previous prime is 13404222439. The next prime is 13404222451. The reversal of 13404222442 is 24422240431.

It can be written as a sum of positive squares in 2 ways, for example, as 13400146081 + 4076361 = 115759^2 + 2019^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13404222442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257773483 + ... + 257773534.

Almost surely, 2^13404222442 is an apocalyptic number.

13404222442 is a deficient number, since it is larger than the sum of its proper divisors (8248752314).

13404222442 is a wasteful number, since it uses less digits than its factorization.

13404222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515547032.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 13404222442 its reverse (24422240431), we get a palindrome (37826462873).

The spelling of 13404222442 in words is "thirteen billion, four hundred four million, two hundred twenty-two thousand, four hundred forty-two".