2217426 has 16 divisors (see below), whose sum is σ = 4463424. Its totient is φ = 734384.

The previous prime is 2217421. The next prime is 2217443. The reversal of 2217426 is 6247122.

2217426 is nontrivially palindromic in base 4.

2217426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2217396 and 2217405.

It is not an unprimeable number, because it can be changed into a prime (2217421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (278964).

2^2217426 is an apocalyptic number.

2217426 is an abundant number, since it is smaller than the sum of its proper divisors (2245998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2217426 is a wasteful number, since it uses less digits than its factorization.

2217426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385.

The product of its digits is 1344, while the sum is 24.

The square root of 2217426 is about 1489.1024142080. The cubic root of 2217426 is about 130.4016375395.

The spelling of 2217426 in words is "two million, two hundred seventeen thousand, four hundred twenty-six".