2220767 has 4 divisors (see below), whose sum is σ = 2225640. Its totient is φ = 2215896.

The previous prime is 2220749. The next prime is 2220773. The reversal of 2220767 is 7670222.

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 2220767 - 2¹⁴ = 2204383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220787) 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, 1673 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (556410).

2^2220767 is an apocalyptic number.

2220767 is a deficient number, since it is larger than the sum of its proper divisors (4873).

2220767 is an equidigital number, since it uses as much as digits as its factorization.

2220767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 2220767 is about 1490.2238086945. The cubic root of 2220767 is about 130.4670968070.

Adding to 2220767 its reverse (7670222), we get a palindrome (9890989).

The spelling of 2220767 in words is "two million, two hundred twenty thousand, seven hundred sixty-seven".