13522230432 has 108 divisors (see below), whose sum is σ = 39826274670. Its totient is φ = 4351904256.

The previous prime is 13522230427. The next prime is 13522230497. The reversal of 13522230432 is 23403222531.

13522230432 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 223 + 0 + 432 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11439585936 + 2082644496 = 106956^2 + 45636^2 .

It is a super-2 number, since 2×13522230432² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13522230396 and 13522230405.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 214294 + ... + 270122.

Almost surely, 2^13522230432 is an apocalyptic number.

13522230432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13522230432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19913137335).

13522230432 is an abundant number, since it is smaller than the sum of its proper divisors (26304044238).

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

13522230432 is a wasteful number, since it uses less digits than its factorization.

13522230432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55903 (or 55863 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 13522230432 its reverse (23403222531), we get a palindrome (36925452963).

The spelling of 13522230432 in words is "thirteen billion, five hundred twenty-two million, two hundred thirty thousand, four hundred thirty-two".