9218535472 has 20 divisors (see below), whose sum is σ = 18437071936. Its totient is φ = 4460581440.

The previous prime is 9218535451. The next prime is 9218535479. The reversal of 9218535472 is 2745358129.

9218535472 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (9218535479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9292383 + ... + 9293374.

Almost surely, 2^9218535472 is an apocalyptic number.

It is an amenable number.

9218535472 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9218535472 is a wasteful number, since it uses less digits than its factorization.

9218535472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18585796 (or 18585790 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 9218535472 is about 96013.2046751904. The cubic root of 9218535472 is about 2096.7853667315.

The spelling of 9218535472 in words is "nine billion, two hundred eighteen million, five hundred thirty-five thousand, four hundred seventy-two".