2216449427 has 4 divisors (see below), whose sum is σ = 2333104680. Its totient is φ = 2099794176.

The previous prime is 2216449399. The next prime is 2216449429. The reversal of 2216449427 is 7249446122.

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

It is a cyclic number.

It is not a de Polignac number, because 2216449427 - 2⁶ = 2216449363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2216449429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58327598 + ... + 58327635.

It is an arithmetic number, because the mean of its divisors is an integer number (583276170).

Almost surely, 2^2216449427 is an apocalyptic number.

2216449427 is a deficient number, since it is larger than the sum of its proper divisors (116655253).

2216449427 is a wasteful number, since it uses less digits than its factorization.

2216449427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116655252.

The product of its digits is 193536, while the sum is 41.

The square root of 2216449427 is about 47079.1825226395. The cubic root of 2216449427 is about 1303.8249140372.

The spelling of 2216449427 in words is "two billion, two hundred sixteen million, four hundred forty-nine thousand, four hundred twenty-seven".