2201567 has 4 divisors (see below), whose sum is σ = 2243160. Its totient is φ = 2159976.

The previous prime is 2201543. The next prime is 2201581. The reversal of 2201567 is 7651022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7651022 = 2 ⋅3825511.

It is a cyclic number.

It is not a de Polignac number, because 2201567 - 2¹⁰ = 2200543 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 (2201597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20717 + ... + 20822.

It is an arithmetic number, because the mean of its divisors is an integer number (560790).

2^2201567 is an apocalyptic number.

2201567 is a deficient number, since it is larger than the sum of its proper divisors (41593).

2201567 is an equidigital number, since it uses as much as digits as its factorization.

2201567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41592.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2201567 is about 1483.7678389829. The cubic root of 2201567 is about 130.0900165505.

Adding to 2201567 its reverse (7651022), we get a palindrome (9852589).

The spelling of 2201567 in words is "two million, two hundred one thousand, five hundred sixty-seven".