2266919 has 4 divisors (see below), whose sum is σ = 2292480. Its totient is φ = 2241360.

The previous prime is 2266907. The next prime is 2266921. The reversal of 2266919 is 9196622.

2266919 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 an emirpimes, since its reverse is a distinct semiprime: 9196622 = 2 ⋅4598311.

It is a cyclic number.

It is not a de Polignac number, because 2266919 - 2¹² = 2262823 is a prime.

It is a super-2 number, since 2×2266919² = 10277843505122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266519) 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, 12647 + ... + 12824.

It is an arithmetic number, because the mean of its divisors is an integer number (573120).

2^2266919 is an apocalyptic number.

2266919 is a deficient number, since it is larger than the sum of its proper divisors (25561).

2266919 is an equidigital number, since it uses as much as digits as its factorization.

2266919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25560.

The product of its digits is 11664, while the sum is 35.

The square root of 2266919 is about 1505.6291043946. The cubic root of 2266919 is about 131.3646967162.

The spelling of 2266919 in words is "two million, two hundred sixty-six thousand, nine hundred nineteen".