2194259 has 4 divisors (see below), whose sum is σ = 2203680. Its totient is φ = 2184840.

The previous prime is 2194243. The next prime is 2194261. The reversal of 2194259 is 9524912.

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

It is a cyclic number.

It is not a de Polignac number, because 2194259 - 2⁴ = 2194243 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2194229) 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, 4352 + ... + 4829.

It is an arithmetic number, because the mean of its divisors is an integer number (550920).

2^2194259 is an apocalyptic number.

2194259 is a deficient number, since it is larger than the sum of its proper divisors (9421).

2194259 is an equidigital number, since it uses as much as digits as its factorization.

2194259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9420.

The product of its digits is 6480, while the sum is 32.

The square root of 2194259 is about 1481.3031425066. The cubic root of 2194259 is about 129.9459143848.

The spelling of 2194259 in words is "two million, one hundred ninety-four thousand, two hundred fifty-nine".