22011159 has 4 divisors (see below), whose sum is σ = 29348216. Its totient is φ = 14674104.

The previous prime is 22011151. The next prime is 22011163. The reversal of 22011159 is 95111022.

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

It is not a de Polignac number, because 22011159 - 2³ = 22011151 is a prime.

It is a super-2 number, since 2×22011159² = 968982241046562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011151) 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, 3668524 + ... + 3668529.

It is an arithmetic number, because the mean of its divisors is an integer number (7337054).

Almost surely, 2^22011159 is an apocalyptic number.

22011159 is a deficient number, since it is larger than the sum of its proper divisors (7337057).

22011159 is an equidigital number, since it uses as much as digits as its factorization.

22011159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337056.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 22011159 is about 4691.6051624151. The cubic root of 22011159 is about 280.2513007500.

The spelling of 22011159 in words is "twenty-two million, eleven thousand, one hundred fifty-nine".