216233835 has 16 divisors (see below), whose sum is σ = 357135360. Its totient is φ = 111604320.

The previous prime is 216233807. The next prime is 216233861. The reversal of 216233835 is 538332612.

It is not a de Polignac number, because 216233835 - 2⁵ = 216233803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216233796 and 216233805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232045 + ... + 232974.

It is an arithmetic number, because the mean of its divisors is an integer number (22320960).

Almost surely, 2^216233835 is an apocalyptic number.

216233835 is a deficient number, since it is larger than the sum of its proper divisors (140901525).

216233835 is a wasteful number, since it uses less digits than its factorization.

216233835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465058.

The product of its digits is 25920, while the sum is 33.

The square root of 216233835 is about 14704.8915330920. The cubic root of 216233835 is about 600.2164358054.

The spelling of 216233835 in words is "two hundred sixteen million, two hundred thirty-three thousand, eight hundred thirty-five".