2216677 has 4 divisors (see below), whose sum is σ = 2220480. Its totient is φ = 2212876.

The previous prime is 2216659. The next prime is 2216699. The reversal of 2216677 is 7766122.

2216677 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216677 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823 + ... + 2260.

It is an arithmetic number, because the mean of its divisors is an integer number (555120).

2^2216677 is an apocalyptic number.

It is an amenable number.

2216677 is a deficient number, since it is larger than the sum of its proper divisors (3803).

2216677 is an equidigital number, since it uses as much as digits as its factorization.

2216677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802.

The product of its digits is 7056, while the sum is 31.

The square root of 2216677 is about 1488.8508991837. The cubic root of 2216677 is about 130.3869535733.

The spelling of 2216677 in words is "two million, two hundred sixteen thousand, six hundred seventy-seven".