22448199 has 4 divisors (see below), whose sum is σ = 29930936. Its totient is φ = 14965464.

The previous prime is 22448189. The next prime is 22448201. The reversal of 22448199 is 99184422.

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

It is not a de Polignac number, because 22448199 - 2⁷ = 22448071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22448189) 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 3 ways as a sum of consecutive naturals, for example, 3741364 + ... + 3741369.

It is an arithmetic number, because the mean of its divisors is an integer number (7482734).

Almost surely, 2^22448199 is an apocalyptic number.

22448199 is a deficient number, since it is larger than the sum of its proper divisors (7482737).

22448199 is an equidigital number, since it uses as much as digits as its factorization.

22448199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482736.

The product of its digits is 41472, while the sum is 39.

The square root of 22448199 is about 4737.9530390243. The cubic root of 22448199 is about 282.0939905999.

The spelling of 22448199 in words is "twenty-two million, four hundred forty-eight thousand, one hundred ninety-nine".