2287669 has 2 divisors, whose sum is σ = 2287670. Its totient is φ = 2287668.

The previous prime is 2287667. The next prime is 2287679. The reversal of 2287669 is 9667822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 7569 = 1510^2 + 87^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287669 - 2¹ = 2287667 is a prime.

It is a super-2 number, since 2×2287669² = 10466858907122, which contains 22 as substring.

Together with 2287667, 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 (2287661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143834 + 1143835.

It is an arithmetic number, because the mean of its divisors is an integer number (1143835).

2^2287669 is an apocalyptic number.

It is an amenable number.

2287669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287669 is an equidigital number, since it uses as much as digits as its factorization.

2287669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 2287669 is about 1512.5042148702. The cubic root of 2287669 is about 131.7642908596.

The spelling of 2287669 in words is "two million, two hundred eighty-seven thousand, six hundred sixty-nine".