2198107 has 4 divisors (see below), whose sum is σ = 2212816. Its totient is φ = 2183400.

The previous prime is 2198093. The next prime is 2198137. The reversal of 2198107 is 7018912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2198107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198137) 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, 7128 + ... + 7429.

It is an arithmetic number, because the mean of its divisors is an integer number (553204).

2^2198107 is an apocalyptic number.

2198107 is a deficient number, since it is larger than the sum of its proper divisors (14709).

2198107 is a wasteful number, since it uses less digits than its factorization.

2198107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14708.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2198107 is about 1482.6014299197. The cubic root of 2198107 is about 130.0218306533.

The spelling of 2198107 in words is "two million, one hundred ninety-eight thousand, one hundred seven".