20224199 has 6 divisors (see below), whose sum is σ = 21142296. Its totient is φ = 19344380.

The previous prime is 20224159. The next prime is 20224207. The reversal of 20224199 is 99142202.

It is not a de Polignac number, because 20224199 - 2⁸ = 20223943 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 (20224129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18587 + ... + 19644.

It is an arithmetic number, because the mean of its divisors is an integer number (3523716).

Almost surely, 2^20224199 is an apocalyptic number.

20224199 is a deficient number, since it is larger than the sum of its proper divisors (918097).

20224199 is an equidigital number, since it uses as much as digits as its factorization.

20224199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38277 (or 38254 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20224199 is about 4497.1323084828. The cubic root of 20224199 is about 272.4522779265.

The spelling of 20224199 in words is "twenty million, two hundred twenty-four thousand, one hundred ninety-nine".