22135199 has 4 divisors (see below), whose sum is σ = 22150536. Its totient is φ = 22119864.

The previous prime is 22135193. The next prime is 22135219. The reversal of 22135199 is 99153122.

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 22135199 - 2²⁰ = 21086623 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 (22135193) 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, 5249 + ... + 8474.

It is an arithmetic number, because the mean of its divisors is an integer number (5537634).

Almost surely, 2^22135199 is an apocalyptic number.

22135199 is a deficient number, since it is larger than the sum of its proper divisors (15337).

22135199 is a wasteful number, since it uses less digits than its factorization.

22135199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15336.

The product of its digits is 4860, while the sum is 32.

The square root of 22135199 is about 4704.8059471141. The cubic root of 22135199 is about 280.7767505297.

The spelling of 22135199 in words is "twenty-two million, one hundred thirty-five thousand, one hundred ninety-nine".