2198441 has 4 divisors (see below), whose sum is σ = 2512512. Its totient is φ = 1884372.

The previous prime is 2198437. The next prime is 2198447. The reversal of 2198441 is 1448912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2198441 - 2² = 2198437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198447) 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, 157025 + ... + 157038.

It is an arithmetic number, because the mean of its divisors is an integer number (628128).

2^2198441 is an apocalyptic number.

It is an amenable number.

2198441 is a deficient number, since it is larger than the sum of its proper divisors (314071).

2198441 is an equidigital number, since it uses as much as digits as its factorization.

2198441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314070.

The product of its digits is 2304, while the sum is 29.

The square root of 2198441 is about 1482.7140654894. The cubic root of 2198441 is about 130.0284158790.

The spelling of 2198441 in words is "two million, one hundred ninety-eight thousand, four hundred forty-one".