22227199 has 4 divisors (see below), whose sum is σ = 22360464. Its totient is φ = 22093936.

The previous prime is 22227187. The next prime is 22227209. The reversal of 22227199 is 99172222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22227199 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 (22222199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66382 + ... + 66715.

It is an arithmetic number, because the mean of its divisors is an integer number (5590116).

Almost surely, 2^22227199 is an apocalyptic number.

22227199 is a deficient number, since it is larger than the sum of its proper divisors (133265).

22227199 is a wasteful number, since it uses less digits than its factorization.

22227199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133264.

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

The square root of 22227199 is about 4714.5730453563. The cubic root of 22227199 is about 281.1652080854.

The spelling of 22227199 in words is "twenty-two million, two hundred twenty-seven thousand, one hundred ninety-nine".