2273569 has 2 divisors, whose sum is σ = 2273570. Its totient is φ = 2273568.

The previous prime is 2273567. The next prime is 2273599. The reversal of 2273569 is 9653722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 833569 = 1200^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 2273569 - 2¹ = 2273567 is a prime.

It is a super-2 number, since 2×2273569² = 10338231995522, which contains 22 as substring.

Together with 2273567, it forms a pair of twin primes.

2273569 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2273561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136784 + 1136785.

It is an arithmetic number, because the mean of its divisors is an integer number (1136785).

2^2273569 is an apocalyptic number.

It is an amenable number.

2273569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273569 is an equidigital number, since it uses as much as digits as its factorization.

2273569 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 2273569 is about 1507.8358663993. The cubic root of 2273569 is about 131.4930239616.

The spelling of 2273569 in words is "two million, two hundred seventy-three thousand, five hundred sixty-nine".