2206615 has 8 divisors (see below), whose sum is σ = 2664288. Its totient is φ = 1754400.

The previous prime is 2206613. The next prime is 2206619. The reversal of 2206615 is 5166022.

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

It is not a de Polignac number, because 2206615 - 2¹ = 2206613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 2140.

It is an arithmetic number, because the mean of its divisors is an integer number (333036).

2^2206615 is an apocalyptic number.

2206615 is a deficient number, since it is larger than the sum of its proper divisors (457673).

2206615 is a wasteful number, since it uses less digits than its factorization.

2206615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2206615 is about 1485.4679397415. The cubic root of 2206615 is about 130.1893689856.

The spelling of 2206615 in words is "two million, two hundred six thousand, six hundred fifteen".