13533421224 has 32 divisors (see below), whose sum is σ = 33851190240. Its totient is φ = 4508788800.

The previous prime is 13533421219. The next prime is 13533421247. The reversal of 13533421224 is 42212433531.

It is a junction number, because it is equal to n+sod(n) for n = 13533421191 and 13533421200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99667 + ... + 192354.

It is an arithmetic number, because the mean of its divisors is an integer number (1057849695).

Almost surely, 2^13533421224 is an apocalyptic number.

It is an amenable number.

13533421224 is an abundant number, since it is smaller than the sum of its proper divisors (20317769016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13533421224 is a wasteful number, since it uses less digits than its factorization.

13533421224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293961 (or 293957 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 13533421224 its reverse (42212433531), we get a palindrome (55745854755).

The spelling of 13533421224 in words is "thirteen billion, five hundred thirty-three million, four hundred twenty-one thousand, two hundred twenty-four".