22198241 has 12 divisors (see below), whose sum is σ = 24456852. Its totient is φ = 20028768.

The previous prime is 22198217. The next prime is 22198259. The reversal of 22198241 is 14289122.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 19936225 = 1504^2 + 4465^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22198241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22198271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28331 + ... + 29103.

It is an arithmetic number, because the mean of its divisors is an integer number (2038071).

Almost surely, 2^22198241 is an apocalyptic number.

It is an amenable number.

22198241 is a deficient number, since it is larger than the sum of its proper divisors (2258611).

22198241 is an equidigital number, since it uses as much as digits as its factorization.

22198241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 833 counting only the distinct ones).

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

The square root of 22198241 is about 4711.5009285789. The cubic root of 22198241 is about 281.0430526352.

The spelling of 22198241 in words is "twenty-two million, one hundred ninety-eight thousand, two hundred forty-one".