2198505 has 16 divisors (see below), whose sum is σ = 3556224. Its totient is φ = 1159680.

The previous prime is 2198477. The next prime is 2198507. The reversal of 2198505 is 5058912.

2198505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2198505 - 2⁵ = 2198473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2198507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700 + ... + 2210.

It is an arithmetic number, because the mean of its divisors is an integer number (222264).

2^2198505 is an apocalyptic number.

It is an amenable number.

2198505 is a deficient number, since it is larger than the sum of its proper divisors (1357719).

2198505 is a wasteful number, since it uses less digits than its factorization.

2198505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2198505 is about 1482.7356473762. The cubic root of 2198505 is about 130.0296776425.

The spelling of 2198505 in words is "two million, one hundred ninety-eight thousand, five hundred five".