2226817 has 2 divisors, whose sum is σ = 2226818. Its totient is φ = 2226816.

The previous prime is 2226811. The next prime is 2226839. The reversal of 2226817 is 7186222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 83521 = 1464^2 + 289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2226817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2226811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113408 + 1113409.

It is an arithmetic number, because the mean of its divisors is an integer number (1113409).

2^2226817 is an apocalyptic number.

It is an amenable number.

2226817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226817 is an equidigital number, since it uses as much as digits as its factorization.

2226817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 2226817 is about 1492.2523245082. The cubic root of 2226817 is about 130.5854658563.

The spelling of 2226817 in words is "two million, two hundred twenty-six thousand, eight hundred seventeen".