22243159 has 4 divisors (see below), whose sum is σ = 22459216. Its totient is φ = 22027104.

The previous prime is 22243153. The next prime is 22243171. The reversal of 22243159 is 95134222.

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 22243159 - 2⁵ = 22243127 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 (22243153) 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, 107874 + ... + 108079.

It is an arithmetic number, because the mean of its divisors is an integer number (5614804).

Almost surely, 2^22243159 is an apocalyptic number.

22243159 is a deficient number, since it is larger than the sum of its proper divisors (216057).

22243159 is a wasteful number, since it uses less digits than its factorization.

22243159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216056.

The product of its digits is 4320, while the sum is 28.

The square root of 22243159 is about 4716.2653657317. The cubic root of 22243159 is about 281.2324878644.

The spelling of 22243159 in words is "twenty-two million, two hundred forty-three thousand, one hundred fifty-nine".