20225199 has 8 divisors (see below), whose sum is σ = 27695920. Its totient is φ = 13118976.

The previous prime is 20225167. The next prime is 20225207. The reversal of 20225199 is 99152202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20225199 - 2⁵ = 20225167 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 (20225159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90994 + ... + 91215.

It is an arithmetic number, because the mean of its divisors is an integer number (3461990).

Almost surely, 2^20225199 is an apocalyptic number.

20225199 is a deficient number, since it is larger than the sum of its proper divisors (7470721).

20225199 is a wasteful number, since it uses less digits than its factorization.

20225199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182249.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 20225199 is about 4497.2434890719. The cubic root of 20225199 is about 272.4567683851.

The spelling of 20225199 in words is "twenty million, two hundred twenty-five thousand, one hundred ninety-nine".