216262 has 4 divisors (see below), whose sum is σ = 324396. Its totient is φ = 108130.

The previous prime is 216259. The next prime is 216263. The reversal of 216262 is 262612.

216262 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 is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54064 + ... + 54067.

It is an arithmetic number, because the mean of its divisors is an integer number (81099).

2²¹⁶²⁶² is an apocalyptic number.

216262 is a deficient number, since it is larger than the sum of its proper divisors (108134).

216262 is a wasteful number, since it uses less digits than its factorization.

216262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108133.

The product of its digits is 288, while the sum is 19.

The square root of 216262 is about 465.0397832444. The cubic root of 216262 is about 60.0242494573.

Adding to 216262 its reverse (262612), we get a palindrome (478874).

The spelling of 216262 in words is "two hundred sixteen thousand, two hundred sixty-two".