2209215 has 16 divisors (see below), whose sum is σ = 3649536. Its totient is φ = 1140000.

The previous prime is 2209213. The next prime is 2209217. The reversal of 2209215 is 5129022.

It is an interprime number because it is at equal distance from previous prime (2209213) and next prime (2209217).

It is not a de Polignac number, because 2209215 - 2¹ = 2209213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2209191 and 2209200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (228096).

2^2209215 is an apocalyptic number.

2209215 is a deficient number, since it is larger than the sum of its proper divisors (1440321).

2209215 is a wasteful number, since it uses less digits than its factorization.

2209215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2209215 is about 1486.3428272105. The cubic root of 2209215 is about 130.2404818894.

The spelling of 2209215 in words is "two million, two hundred nine thousand, two hundred fifteen".