2273659 has 2 divisors, whose sum is σ = 2273660. Its totient is φ = 2273658.

The previous prime is 2273651. The next prime is 2273669. The reversal of 2273659 is 9563722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2273659 - 2³ = 2273651 is a prime.

2273659 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2273651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136829 + 1136830.

It is an arithmetic number, because the mean of its divisors is an integer number (1136830).

2^2273659 is an apocalyptic number.

2273659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273659 is an equidigital number, since it uses as much as digits as its factorization.

2273659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 2273659 is about 1507.8657102010. The cubic root of 2273659 is about 131.4947590041.

The spelling of 2273659 in words is "two million, two hundred seventy-three thousand, six hundred fifty-nine".