2266505 has 4 divisors (see below), whose sum is σ = 2719812. Its totient is φ = 1813200.

The previous prime is 2266501. The next prime is 2266507. The reversal of 2266505 is 5056622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 913936 + 1352569 = 956^2 + 1163^2 .

It is not a de Polignac number, because 2266505 - 2² = 2266501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2266501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226646 + ... + 226655.

It is an arithmetic number, because the mean of its divisors is an integer number (679953).

2^2266505 is an apocalyptic number.

It is an amenable number.

2266505 is a deficient number, since it is larger than the sum of its proper divisors (453307).

2266505 is an equidigital number, since it uses as much as digits as its factorization.

2266505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453306.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2266505 is about 1505.4916140583. The cubic root of 2266505 is about 131.3566993278.

The spelling of 2266505 in words is "two million, two hundred sixty-six thousand, five hundred five".