216112622 has 16 divisors (see below), whose sum is σ = 354585600. Its totient is φ = 97970040.

The previous prime is 216112621. The next prime is 216112639. The reversal of 216112622 is 226211612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216112621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4622 + ... + 21297.

It is an arithmetic number, because the mean of its divisors is an integer number (22161600).

Almost surely, 2^216112622 is an apocalyptic number.

216112622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

216112622 is a deficient number, since it is larger than the sum of its proper divisors (138472978).

216112622 is a wasteful number, since it uses less digits than its factorization.

216112622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26311.

The product of its digits is 576, while the sum is 23.

The square root of 216112622 is about 14700.7694356452. The cubic root of 216112622 is about 600.1042615111.

The spelling of 216112622 in words is "two hundred sixteen million, one hundred twelve thousand, six hundred twenty-two".