2207665 has 8 divisors (see below), whose sum is σ = 2734848. Its totient is φ = 1709040.

The previous prime is 2207633. The next prime is 2207677. The reversal of 2207665 is 5667022.

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

It is not a de Polignac number, because 2207665 - 2⁵ = 2207633 is a prime.

It is a Duffinian 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, 6967 + ... + 7276.

It is an arithmetic number, because the mean of its divisors is an integer number (341856).

2^2207665 is an apocalyptic number.

It is an amenable number.

2207665 is a deficient number, since it is larger than the sum of its proper divisors (527183).

2207665 is a wasteful number, since it uses less digits than its factorization.

2207665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14279.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2207665 is about 1485.8213216938. The cubic root of 2207665 is about 130.2100155658.

The spelling of 2207665 in words is "two million, two hundred seven thousand, six hundred sixty-five".