22740199 has 4 divisors (see below), whose sum is σ = 23294880. Its totient is φ = 22185520.

The previous prime is 22740197. The next prime is 22740209. The reversal of 22740199 is 99104722.

It is a happy number.

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 22740199 - 2¹ = 22740197 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 (22740191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277279 + ... + 277360.

It is an arithmetic number, because the mean of its divisors is an integer number (5823720).

Almost surely, 2^22740199 is an apocalyptic number.

22740199 is a deficient number, since it is larger than the sum of its proper divisors (554681).

22740199 is an equidigital number, since it uses as much as digits as its factorization.

22740199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554680.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 22740199 is about 4768.6684724355. The cubic root of 22740199 is about 283.3118588876.

The spelling of 22740199 in words is "twenty-two million, seven hundred forty thousand, one hundred ninety-nine".