216033472 has 14 divisors (see below), whose sum is σ = 428691548. Its totient is φ = 108016704.

The previous prime is 216033431. The next prime is 216033473. The reversal of 216033472 is 274330612.

It is a super-2 number, since 2×216033472² = 93340922048749568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 216033472.

It is not an unprimeable number, because it can be changed into a prime (216033473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1687698 + ... + 1687825.

Almost surely, 2^216033472 is an apocalyptic number.

It is an amenable number.

216033472 is a deficient number, since it is larger than the sum of its proper divisors (212658076).

216033472 is an equidigital number, since it uses as much as digits as its factorization.

216033472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375535 (or 3375525 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 216033472 is about 14698.0771531517. The cubic root of 216033472 is about 600.0309909918.

The spelling of 216033472 in words is "two hundred sixteen million, thirty-three thousand, four hundred seventy-two".