216753226 has 4 divisors (see below), whose sum is σ = 325129842. Its totient is φ = 108376612.

The previous prime is 216753223. The next prime is 216753233. The reversal of 216753226 is 622357612.

216753226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 193182201 + 23571025 = 13899^2 + 4855^2 .

It is a junction number, because it is equal to n+sod(n) for n = 216753191 and 216753200.

It is not an unprimeable number, because it can be changed into a prime (216753223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54188305 + ... + 54188308.

Almost surely, 2^216753226 is an apocalyptic number.

216753226 is a deficient number, since it is larger than the sum of its proper divisors (108376616).

216753226 is a wasteful number, since it uses less digits than its factorization.

216753226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108376615.

The product of its digits is 30240, while the sum is 34.

The square root of 216753226 is about 14722.5414246318. The cubic root of 216753226 is about 600.6966223639.

The spelling of 216753226 in words is "two hundred sixteen million, seven hundred fifty-three thousand, two hundred twenty-six".