216112244 has 6 divisors (see below), whose sum is σ = 378196434. Its totient is φ = 108056120.

The previous prime is 216112219. The next prime is 216112277. The reversal of 216112244 is 442211612.

216112244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 167391844 + 48720400 = 12938^2 + 6980^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27014027 + ... + 27014034.

It is an arithmetic number, because the mean of its divisors is an integer number (63032739).

Almost surely, 2^216112244 is an apocalyptic number.

It is an amenable number.

216112244 is a deficient number, since it is larger than the sum of its proper divisors (162084190).

216112244 is a wasteful number, since it uses less digits than its factorization.

216112244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54028065 (or 54028063 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 216112244 is about 14700.7565791697. The cubic root of 216112244 is about 600.1039116325.

Adding to 216112244 its reverse (442211612), we get a palindrome (658323856).

The spelling of 216112244 in words is "two hundred sixteen million, one hundred twelve thousand, two hundred forty-four".