2266637 has 2 divisors, whose sum is σ = 2266638. Its totient is φ = 2266636.

The previous prime is 2266633. The next prime is 2266639. The reversal of 2266637 is 7366622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1705636 + 561001 = 1306^2 + 749^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266637 - 2² = 2266633 is a prime.

Together with 2266639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2266631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133318 + 1133319.

It is an arithmetic number, because the mean of its divisors is an integer number (1133319).

2^2266637 is an apocalyptic number.

It is an amenable number.

2266637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266637 is an equidigital number, since it uses as much as digits as its factorization.

2266637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 2266637 is about 1505.5354529203. The cubic root of 2266637 is about 131.3592493255.

The spelling of 2266637 in words is "two million, two hundred sixty-six thousand, six hundred thirty-seven".