2270817 has 6 divisors (see below), whose sum is σ = 3280082. Its totient is φ = 1513872.

The previous prime is 2270803. The next prime is 2270837. The reversal of 2270817 is 7180722.

It can be written as a sum of positive squares in only one way, i.e., 1498176 + 772641 = 1224^2 + 879^2 .

It is not a de Polignac number, because 2270817 - 2⁷ = 2270689 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2270837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126148 + ... + 126165.

2^2270817 is an apocalyptic number.

It is an amenable number.

2270817 is a deficient number, since it is larger than the sum of its proper divisors (1009265).

2270817 is a wasteful number, since it uses less digits than its factorization.

2270817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252319 (or 252316 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 2270817 is about 1506.9230239133. The cubic root of 2270817 is about 131.4399480993.

The spelling of 2270817 in words is "two million, two hundred seventy thousand, eight hundred seventeen".