2266657 has 4 divisors (see below), whose sum is σ = 2327956. Its totient is φ = 2205360.

The previous prime is 2266639. The next prime is 2266679. The reversal of 2266657 is 7566622.

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 1274641 + 992016 = 1129^2 + 996^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266657 - 2¹¹ = 2264609 is a prime.

It is a Duffinian number.

2266657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2266637) 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, 30594 + ... + 30667.

It is an arithmetic number, because the mean of its divisors is an integer number (581989).

2^2266657 is an apocalyptic number.

It is an amenable number.

2266657 is a deficient number, since it is larger than the sum of its proper divisors (61299).

2266657 is an equidigital number, since it uses as much as digits as its factorization.

2266657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61298.

The product of its digits is 30240, while the sum is 34.

The square root of 2266657 is about 1505.5420950608. The cubic root of 2266657 is about 131.3596356802.

The spelling of 2266657 in words is "two million, two hundred sixty-six thousand, six hundred fifty-seven".