2206915 has 8 divisors (see below), whose sum is σ = 2656368. Its totient is φ = 1760160.

The previous prime is 2206909. The next prime is 2206927. The reversal of 2206915 is 5196022.

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

It is not a de Polignac number, because 2206915 - 2⁹ = 2206403 is a prime.

It is a super-3 number, since 3×2206915³ = 32246165173023332625, which contains 333 as substring.

It is a Duffinian number.

2206915 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2206915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2469 + ... + 3241.

It is an arithmetic number, because the mean of its divisors is an integer number (332046).

2^2206915 is an apocalyptic number.

2206915 is a deficient number, since it is larger than the sum of its proper divisors (449453).

2206915 is an equidigital number, since it uses as much as digits as its factorization.

2206915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2206915 is about 1485.5689145913. The cubic root of 2206915 is about 130.1952686767.

The spelling of 2206915 in words is "two million, two hundred six thousand, nine hundred fifteen".