13404022221434 has 16 divisors (see below), whose sum is σ = 21664754570760. Its totient is φ = 6183013711680.

The previous prime is 13404022221377. The next prime is 13404022221437. The reversal of 13404022221434 is 43412222040431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11731275759025 + 1672746462409 = 3425095^2 + 1293347^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13404022221434.

It is not an unprimeable number, because it can be changed into a prime (13404022221437) 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, 144039377 + ... + 144132404.

Almost surely, 2^{13404022221434} is an apocalyptic number.

13404022221434 is a deficient number, since it is larger than the sum of its proper divisors (8260732349326).

13404022221434 is a wasteful number, since it uses less digits than its factorization.

13404022221434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288173585.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 13404022221434 its reverse (43412222040431), we get a palindrome (56816244261865).

The spelling of 13404022221434 in words is "thirteen trillion, four hundred four billion, twenty-two million, two hundred twenty-one thousand, four hundred thirty-four".