2219426 has 16 divisors (see below), whose sum is σ = 3680640. Its totient is φ = 995280.

The previous prime is 2219423. The next prime is 2219449. The reversal of 2219426 is 6249122.

2219426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁹ + 2¹³ + 1 + 9⁴ + 4⁴ + 2¹⁹ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2219395 and 2219404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219423) 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, 1100 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (230040).

2^2219426 is an apocalyptic number.

2219426 is a deficient number, since it is larger than the sum of its proper divisors (1461214).

2219426 is a wasteful number, since it uses less digits than its factorization.

2219426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369.

The product of its digits is 1728, while the sum is 26.

The square root of 2219426 is about 1489.7738083347. The cubic root of 2219426 is about 130.4408308661.

The spelling of 2219426 in words is "two million, two hundred nineteen thousand, four hundred twenty-six".