22086143 has 4 divisors (see below), whose sum is σ = 22185408. Its totient is φ = 21986880.

The previous prime is 22086137. The next prime is 22086161. The reversal of 22086143 is 34168022.

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 22086143 - 2⁶ = 22086079 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 (22086173) 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, 49298 + ... + 49743.

It is an arithmetic number, because the mean of its divisors is an integer number (5546352).

Almost surely, 2^22086143 is an apocalyptic number.

22086143 is a deficient number, since it is larger than the sum of its proper divisors (99265).

22086143 is an equidigital number, since it uses as much as digits as its factorization.

22086143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99264.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22086143 is about 4699.5896629387. The cubic root of 22086143 is about 280.5691780872.

The spelling of 22086143 in words is "twenty-two million, eighty-six thousand, one hundred forty-three".