2644216227 has 48 divisors (see below), whose sum is σ = 4126075200. Its totient is φ = 1625702400.

The previous prime is 2644216213. The next prime is 2644216231. The reversal of 2644216227 is 7226124462.

2644216227 is a `hidden beast` number, since 2 + 6 + 4 + 4 + 21 + 622 + 7 = 666.

It is not a de Polignac number, because 2644216227 - 2⁸ = 2644215971 is a prime.

It is a super-3 number, since 3×2644216227³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2644216191 and 2644216200.

It is not an unprimeable number, because it can be changed into a prime (2644216277) 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 47 ways as a sum of consecutive naturals, for example, 4190202 + ... + 4190832.

It is an arithmetic number, because the mean of its divisors is an integer number (85959900).

Almost surely, 2^2644216227 is an apocalyptic number.

2644216227 is a deficient number, since it is larger than the sum of its proper divisors (1481858973).

2644216227 is a wasteful number, since it uses less digits than its factorization.

2644216227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1161 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 2644216227 is about 51421.9430496359. The cubic root of 2644216227 is about 1382.8200100475.

The spelling of 2644216227 in words is "two billion, six hundred forty-four million, two hundred sixteen thousand, two hundred twenty-seven".