2251166 has 8 divisors (see below), whose sum is σ = 3414960. Its totient is φ = 1112848.

The previous prime is 2251163. The next prime is 2251169. The reversal of 2251166 is 6611522.

2251166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2251163) and next prime (2251169).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251163) 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, 6146 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (426870).

2^2251166 is an apocalyptic number.

2251166 is a deficient number, since it is larger than the sum of its proper divisors (1163794).

2251166 is a wasteful number, since it uses less digits than its factorization.

2251166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12738.

The product of its digits is 720, while the sum is 23.

The square root of 2251166 is about 1500.3886163258. The cubic root of 2251166 is about 131.0597012420.

Adding to 2251166 its reverse (6611522), we get a palindrome (8862688).

The spelling of 2251166 in words is "two million, two hundred fifty-one thousand, one hundred sixty-six".