2225215 has 16 divisors (see below), whose sum is σ = 2892672. Its totient is φ = 1636864.

The previous prime is 2225203. The next prime is 2225221. The reversal of 2225215 is 5125222.

2225215 = T₁₈₅ + T₁₈₆ + ... + T₂₆₉.

It is a cyclic number.

It is not a de Polignac number, because 2225215 - 2⁵ = 2225183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2225192 and 2225201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3717 + ... + 4273.

It is an arithmetic number, because the mean of its divisors is an integer number (180792).

2^2225215 is an apocalyptic number.

2225215 is a deficient number, since it is larger than the sum of its proper divisors (667457).

2225215 is a wasteful number, since it uses less digits than its factorization.

2225215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its digits is 400, while the sum is 19.

The square root of 2225215 is about 1491.7154554405. The cubic root of 2225215 is about 130.5541434047.

The spelling of 2225215 in words is "two million, two hundred twenty-five thousand, two hundred fifteen".