2215226 has 8 divisors (see below), whose sum is σ = 3578484. Its totient is φ = 1022400.

The previous prime is 2215217. The next prime is 2215237. The reversal of 2215226 is 6225122.

2215226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2175625 + 39601 = 1475^2 + 199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2² + 2¹³ + 1 + 5⁵ + 2¹⁸ + 2¹⁸ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2215198 and 2215207.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42575 + ... + 42626.

2^2215226 is an apocalyptic number.

2215226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2215226 is a deficient number, since it is larger than the sum of its proper divisors (1363258).

2215226 is a wasteful number, since it uses less digits than its factorization.

2215226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85216.

The product of its digits is 480, while the sum is 20.

The square root of 2215226 is about 1488.3635308620. The cubic root of 2215226 is about 130.3584976510.

The spelling of 2215226 in words is "two million, two hundred fifteen thousand, two hundred twenty-six".