22493199 has 4 divisors (see below), whose sum is σ = 29990936. Its totient is φ = 14995464.

The previous prime is 22493153. The next prime is 22493209. The reversal of 22493199 is 99139422.

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

It is not a de Polignac number, because 22493199 - 2¹⁹ = 21968911 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 (22493129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748864 + ... + 3748869.

It is an arithmetic number, because the mean of its divisors is an integer number (7497734).

Almost surely, 2^22493199 is an apocalyptic number.

22493199 is a deficient number, since it is larger than the sum of its proper divisors (7497737).

22493199 is an equidigital number, since it uses as much as digits as its factorization.

22493199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497736.

The product of its digits is 34992, while the sum is 39.

The square root of 22493199 is about 4742.6995477260. The cubic root of 22493199 is about 282.2823614155.

The spelling of 22493199 in words is "twenty-two million, four hundred ninety-three thousand, one hundred ninety-nine".